California USDA Hardiness Zone Map - 1990
View the new 2023 California Hardiness Zone Map
| Zone 4b -25°F to -20°F | Zone 5a -20°F to -15°F | Zone 5b -15°F to -10°F | Zone 6a -10°F to -5°F | Zone 6b -5°F to 0°F |
| Zone 7a 0°F to 5°F | Zone 7b 5°F to 10°F | Zone 8a 10°F to 15°F | Zone 8b 15°F to 20°F | Zone 9a 20°F to 25°F |
| Zone 9b 25°F to 30°F | Zone 10a 30°F to 35°F | Zone 10b 35°F to 40°F | Zone 11a 40°F to 45°F |
Based on the 1990 USDA Hardiness Zone Map, this interactive version covers the state of California which ranges from USDA Zone 4b to USDA Zone 11a.
1990 USDA Hardiness Zone Maps for Neighboring States and Provinces
Related California Maps:
- California 2012 USDA Hardiness Zone Map
- California First Frost Date Map
- California Last Frost Date Map
- Map of California Record High/Low Temperatures
- California Interactive Drought Monitor Map
- California Drought Index Map
- California Heat Zones Map
- Koppen Climate Classification Map for the United States
- Koppen Climate Classification Map for Canada
- Koppen Climate Classification Map for North America
List of 1990 Hardiness Zones for Cities in California
| Location | Hardiness Zone |
|---|---|
| Acampo | Zone 9b: 25°F to 30°F |
| Acton | Zone 9a: 20°F to 25°F |
| Adin | Zone 6b: -5°F to 0°F |
| Agoura | Zone 10b: 35°F to 40°F |
| Agoura Hills | Zone 10b: 35°F to 40°F |
| Agua Dulce | Zone 9a: 20°F to 25°F |
| Aguanga | Zone 8b: 15°F to 20°F |
| Ahwahnee | Zone 8b: 15°F to 20°F |
| Alameda | Zone 9b: 25°F to 30°F |
| Alamo | Zone 9b: 25°F to 30°F |
| Albany | Zone 9b: 25°F to 30°F |
| Albion | Zone 9b: 25°F to 30°F |
| Alder Springs | Zone 9a: 20°F to 25°F |
| Alderpoint | Zone 9a: 20°F to 25°F |
| Alhambra | Zone 10a: 30°F to 35°F |
| Aliso Viejo | Zone 10a: 30°F to 35°F |
| Alleghany | Zone 8a: 10°F to 15°F |
| Allendale | Zone 9b: 25°F to 30°F |
| Allensworth | Zone 9b: 25°F to 30°F |
| Alondra Park | Zone 10b: 35°F to 40°F |
| Alpaugh | Zone 9b: 25°F to 30°F |
| Alpine | Zone 9b: 25°F to 30°F |
| Alpine Meadows | Zone 6b: -5°F to 0°F |
| Alpine Village | Zone 9b: 25°F to 30°F |
| Alta | Zone 8b: 15°F to 20°F |
| Alta Loma | Zone 9b: 25°F to 30°F |
| Alta Sierra | Zone 9a: 20°F to 25°F |
| Altadena | Zone 10a: 30°F to 35°F |
| Altaville | Zone 9a: 20°F to 25°F |
| Alto | Zone 10a: 30°F to 35°F |
| Alturas | Zone 6a: -10°F to -5°F |
| Alum Rock | Zone 9b: 25°F to 30°F |
| Alviso | Zone 9b: 25°F to 30°F |
| Amador City | Zone 9a: 20°F to 25°F |
| Amboy | Zone 9b: 25°F to 30°F |
| American Canyon | Zone 9b: 25°F to 30°F |
| Amesti | Zone 9b: 25°F to 30°F |
| Anaheim | Zone 10a: 30°F to 35°F |
| Anchor Bay | Zone 9b: 25°F to 30°F |
| Anderson | Zone 9a: 20°F to 25°F |
| Angels Camp | Zone 9a: 20°F to 25°F |
| Angelus Oaks | Zone 9a: 20°F to 25°F |
| Angwin | Zone 9b: 25°F to 30°F |
| Annapolis | Zone 10a: 30°F to 35°F |
| Antelope | Zone 9b: 25°F to 30°F |
| Antioch | Zone 9b: 25°F to 30°F |
| Anza | Zone 8b: 15°F to 20°F |
| Apple Valley | Zone 8b: 15°F to 20°F |
| Applegate | Zone 9a: 20°F to 25°F |
| Aptos | Zone 9b: 25°F to 30°F |
| Aptos Hills-Larkin Valley | Zone 9b: 25°F to 30°F |
| Arbuckle | Zone 9b: 25°F to 30°F |
| Arcadia | Zone 10a: 30°F to 35°F |
| Arcata | Zone 10a: 30°F to 35°F |
| Arden-Arcade | Zone 9b: 25°F to 30°F |
| Armona | Zone 9a: 20°F to 25°F |
| Arnold | Zone 8a: 10°F to 15°F |
| Aromas | Zone 9b: 25°F to 30°F |
| Arroyo Grande | Zone 10a: 30°F to 35°F |
| Artesia | Zone 10b: 35°F to 40°F |
| Artois | Zone 9a: 20°F to 25°F |
| Arvin | Zone 9a: 20°F to 25°F |
| Ashland | Zone 9b: 25°F to 30°F |
| Aspen Springs | Zone 7b: 5°F to 10°F |
| Atascadero | Zone 9a: 20°F to 25°F |
| Atherton | Zone 9b: 25°F to 30°F |
| Atwater | Zone 9a: 20°F to 25°F |
| Atwood | Zone 10a: 30°F to 35°F |
| Auberry | Zone 9b: 25°F to 30°F |
| Auburn | Zone 9a: 20°F to 25°F |
| Auburn Lake Trails | Zone 9a: 20°F to 25°F |
| August | Zone 9b: 25°F to 30°F |
| Avalon | Zone 10b: 35°F to 40°F |
| Avenal | Zone 9a: 20°F to 25°F |
| Avery | Zone 8a: 10°F to 15°F |
| Avila Beach | Zone 10a: 30°F to 35°F |
| Avocado Heights | Zone 10a: 30°F to 35°F |
| Azusa | Zone 10a: 30°F to 35°F |
| Badger | Zone 9a: 20°F to 25°F |
| Baker | Zone 9a: 20°F to 25°F |
| Bakersfield | Zone 9a: 20°F to 25°F |
| Baldwin Park | Zone 10a: 30°F to 35°F |
| Ballard | Zone 9b: 25°F to 30°F |
| Ballico | Zone 9a: 20°F to 25°F |
| Bangor | Zone 9a: 20°F to 25°F |
| Banning | Zone 8b: 15°F to 20°F |
| Banta | Zone 9b: 25°F to 30°F |
| Bard | Zone 10a: 30°F to 35°F |
| Barstow | Zone 9a: 20°F to 25°F |
| Barstow Heights | Zone 8b: 15°F to 20°F |
| Bass Lake | Zone 8b: 15°F to 20°F |
| Bay Point | Zone 9b: 25°F to 30°F |
| Bayside | Zone 10a: 30°F to 35°F |
| Bayview | Zone 10a: 30°F to 35°F |
| Beale Air Force Base | Zone 9a: 20°F to 25°F |
| Bear Creek | Zone 9a: 20°F to 25°F |
| Bear Mountain Ski Resort | Zone 8a: 10°F to 15°F |
| Bear Valley | Zone 9a: 20°F to 25°F |
| Bear Valley Ski Area | Zone 7b: 5°F to 10°F |
| Bear Valley Springs | Zone 9a: 20°F to 25°F |
| Beaumont | Zone 9a: 20°F to 25°F |
| Beckwourth | Zone 7a: 0°F to 5°F |
| Belden | Zone 8a: 10°F to 15°F |
| Bell | Zone 10b: 35°F to 40°F |
| Bell Gardens | Zone 10b: 35°F to 40°F |
| Bella Vista | Zone 9a: 20°F to 25°F |
| Bellflower | Zone 10b: 35°F to 40°F |
| Belmont | Zone 9b: 25°F to 30°F |
| Belvedere | Zone 10a: 30°F to 35°F |
| Ben Lomond | Zone 9b: 25°F to 30°F |
| Benbow | Zone 9b: 25°F to 30°F |
| Bend | Zone 9a: 20°F to 25°F |
| Benicia | Zone 9b: 25°F to 30°F |
| Benton | Zone 5b: -15°F to -10°F |
| Berkeley | Zone 9b: 25°F to 30°F |
| Bermuda Dunes | Zone 9b: 25°F to 30°F |
| Berry Creek | Zone 8b: 15°F to 20°F |
| Bertsch-Oceanview | Zone 9b: 25°F to 30°F |
| Beswick | Zone 6b: -5°F to 0°F |
| Bethel Island | Zone 9b: 25°F to 30°F |
| Beverly Hills | Zone 10b: 35°F to 40°F |
| Bieber | Zone 6b: -5°F to 0°F |
| Big Bar | Zone 9a: 20°F to 25°F |
| Big Bear City | Zone 7b: 5°F to 10°F |
| Big Bear Lake | Zone 8b: 15°F to 20°F |
| Big Bend | Zone 7b: 5°F to 10°F |
| Big Creek | Zone 8b: 15°F to 20°F |
| Big Lagoon | Zone 9b: 25°F to 30°F |
| Big Oak Flat | Zone 8b: 15°F to 20°F |
| Big Pine | Zone 8a: 10°F to 15°F |
| Big River | Zone 9b: 25°F to 30°F |
| Big Sur | Zone 10a: 30°F to 35°F |
| Biggs | Zone 9a: 20°F to 25°F |
| Biola | Zone 9a: 20°F to 25°F |
| Birds Landing | Zone 9b: 25°F to 30°F |
| Bishop | Zone 8a: 10°F to 15°F |
| Black Point-Green Point | Zone 9b: 25°F to 30°F |
| Blackhawk | Zone 9b: 25°F to 30°F |
| Blairsden | Zone 7b: 5°F to 10°F |
| Blairsden-graeagle | Zone 7b: 5°F to 10°F |
| Blocksburg | Zone 9a: 20°F to 25°F |
| Bloomfield | Zone 9b: 25°F to 30°F |
| Bloomington | Zone 9b: 25°F to 30°F |
| Blue Canyon | Zone 8a: 10°F to 15°F |
| Blue Jay | Zone 9a: 20°F to 25°F |
| Blue Lake | Zone 9b: 25°F to 30°F |
| Bluewater | Zone 9b: 25°F to 30°F |
| Blythe | Zone 9b: 25°F to 30°F |
| Bodega | Zone 10a: 30°F to 35°F |
| Bodega Bay | Zone 10a: 30°F to 35°F |
| Bodfish | Zone 9a: 20°F to 25°F |
| Bodie | Zone 4b: -25°F to -20°F |
| Bolinas | Zone 10a: 30°F to 35°F |
| Bombay Beach | Zone 9a: 20°F to 25°F |
| Bonadelle Ranchos-Madera Ranchos | Zone 9b: 25°F to 30°F |
| Bonita | Zone 10a: 30°F to 35°F |
| Bonny Doon | Zone 9b: 25°F to 30°F |
| Bonsall | Zone 10a: 30°F to 35°F |
| Boonville | Zone 9a: 20°F to 25°F |
| Bootjack | Zone 8b: 15°F to 20°F |
| Boron | Zone 8b: 15°F to 20°F |
| Boronda | Zone 9b: 25°F to 30°F |
| Borrego Springs | Zone 9a: 20°F to 25°F |
| Bostonia | Zone 10a: 30°F to 35°F |
| Boulder Creek | Zone 9b: 25°F to 30°F |
| Boulevard | Zone 8b: 15°F to 20°F |
| Bowles | Zone 9b: 25°F to 30°F |
| Boyes Hot Springs | Zone 9b: 25°F to 30°F |
| Bradbury | Zone 10a: 30°F to 35°F |
| Bradley | Zone 8b: 15°F to 20°F |
| Brandeis | Zone 10b: 35°F to 40°F |
| Branscomb | Zone 9a: 20°F to 25°F |
| Brawley | Zone 9b: 25°F to 30°F |
| Brea | Zone 10a: 30°F to 35°F |
| Brentwood | Zone 9b: 25°F to 30°F |
| Bret Harte | Zone 9a: 20°F to 25°F |
| Bridgeport | Zone 5b: -15°F to -10°F |
| Bridgeville | Zone 9b: 25°F to 30°F |
| Brisbane | Zone 10a: 30°F to 35°F |
| Broadmoor | Zone 10a: 30°F to 35°F |
| Brookdale | Zone 9b: 25°F to 30°F |
| Brooks | Zone 9b: 25°F to 30°F |
| Brooktrails | Zone 8b: 15°F to 20°F |
| Browns Valley | Zone 9a: 20°F to 25°F |
| Brownsville | Zone 8b: 15°F to 20°F |
| Bryn Mawr | Zone 9b: 25°F to 30°F |
| Buck Meadows | Zone 8a: 10°F to 15°F |
| Bucks Lake | Zone 8a: 10°F to 15°F |
| Buellton | Zone 10a: 30°F to 35°F |
| Buena Park | Zone 10b: 35°F to 40°F |
| Buena Vista | Zone 9b: 25°F to 30°F |
| Burbank | Zone 10a: 30°F to 35°F |
| Burlingame | Zone 10a: 30°F to 35°F |
| Burney | Zone 7a: 0°F to 5°F |
| Burnt Ranch | Zone 9a: 20°F to 25°F |
| Burrel | Zone 9b: 25°F to 30°F |
| Burson | Zone 9b: 25°F to 30°F |
| Butte City | Zone 9a: 20°F to 25°F |
| Butte Meadows | Zone 8a: 10°F to 15°F |
| Buttonwillow | Zone 9a: 20°F to 25°F |
| Byron | Zone 9b: 25°F to 30°F |
| Bystrom | Zone 9a: 20°F to 25°F |
| C-Road | Zone 7b: 5°F to 10°F |
| Cabazon | Zone 8b: 15°F to 20°F |
| Cactus City | Zone 9a: 20°F to 25°F |
| Cajon | Zone 9a: 20°F to 25°F |
| Calabasas | Zone 10b: 35°F to 40°F |
| Calexico | Zone 10a: 30°F to 35°F |
| Caliente | Zone 9a: 20°F to 25°F |
| California City | Zone 8a: 10°F to 15°F |
| California Hot Springs | Zone 8a: 10°F to 15°F |
| California Pines | Zone 6a: -10°F to -5°F |
| Calimesa | Zone 9b: 25°F to 30°F |
| Calipatria | Zone 9b: 25°F to 30°F |
| Calistoga | Zone 9b: 25°F to 30°F |
| Callahan | Zone 8a: 10°F to 15°F |
| Callender | Zone 10a: 30°F to 35°F |
| Calpella | Zone 9a: 20°F to 25°F |
| Calpine | Zone 7a: 0°F to 5°F |
| Calwa | Zone 9b: 25°F to 30°F |
| Camanche Village | Zone 9b: 25°F to 30°F |
| Camarillo | Zone 10b: 35°F to 40°F |
| Cambria | Zone 10a: 30°F to 35°F |
| Cambrian Park | Zone 9b: 25°F to 30°F |
| Cameron Park | Zone 9a: 20°F to 25°F |
| Camino | Zone 9a: 20°F to 25°F |
| Camp Meeker | Zone 10a: 30°F to 35°F |
| Camp Nelson | Zone 8a: 10°F to 15°F |
| Camp Pendleton | Zone 10a: 30°F to 35°F |
| Camp Pendleton North | Zone 10a: 30°F to 35°F |
| Camp Pendleton South | Zone 10b: 35°F to 40°F |
| Camp Roberts | Zone 8b: 15°F to 20°F |
| Campbell | Zone 9b: 25°F to 30°F |
| Campo | Zone 9a: 20°F to 25°F |
| Campo Seco | Zone 9b: 25°F to 30°F |
| Camptonville | Zone 8b: 15°F to 20°F |
| Canby | Zone 6a: -10°F to -5°F |
| Canoga Park | Zone 10b: 35°F to 40°F |
| Cantil | Zone 8a: 10°F to 15°F |
| Cantua Creek | Zone 9a: 20°F to 25°F |
| Canyon | Zone 9b: 25°F to 30°F |
| Canyon Country | Zone 9b: 25°F to 30°F |
| Canyon Dam | Zone 7b: 5°F to 10°F |
| Canyon Lake | Zone 9a: 20°F to 25°F |
| Capay | Zone 9b: 25°F to 30°F |
| Capetown | Zone 9b: 25°F to 30°F |
| Capistrano Beach | Zone 10a: 30°F to 35°F |
| Capitola | Zone 9b: 25°F to 30°F |
| Cardiff-by-the-Sea | Zone 11a: 40°F to 45°F |
| Carlotta | Zone 9b: 25°F to 30°F |
| Carlsbad | Zone 10b: 35°F to 40°F |
| Carmel | Zone 10a: 30°F to 35°F |
| Carmel Valley | Zone 10a: 30°F to 35°F |
| Carmel Valley Village | Zone 10a: 30°F to 35°F |
| Carmet | Zone 10a: 30°F to 35°F |
| Carmichael | Zone 9b: 25°F to 30°F |
| Carnelian Bay | Zone 6a: -10°F to -5°F |
| Carpinteria | Zone 10a: 30°F to 35°F |
| Carrick | Zone 7b: 5°F to 10°F |
| Carson | Zone 10b: 35°F to 40°F |
| Cartago | Zone 8b: 15°F to 20°F |
| Caruthers | Zone 9b: 25°F to 30°F |
| Casa Conejo | Zone 10b: 35°F to 40°F |
| Casa de Oro-Mount Helix | Zone 10a: 30°F to 35°F |
| Casmalia | Zone 10a: 30°F to 35°F |
| Caspar | Zone 9b: 25°F to 30°F |
| Cassel | Zone 7a: 0°F to 5°F |
| Castaic | Zone 9b: 25°F to 30°F |
| Castella | Zone 8a: 10°F to 15°F |
| Castro Valley | Zone 9b: 25°F to 30°F |
| Castroville | Zone 9b: 25°F to 30°F |
| Caswells | Zone 9a: 20°F to 25°F |
| Cathedral City | Zone 10a: 30°F to 35°F |
| Catheys Valley | Zone 9a: 20°F to 25°F |
| Cayucos | Zone 10a: 30°F to 35°F |
| Cazadero | Zone 10a: 30°F to 35°F |
| Cecilville | Zone 8a: 10°F to 15°F |
| Cedar Glen | Zone 9a: 20°F to 25°F |
| Cedar Ridge | Zone 9a: 20°F to 25°F |
| Cedarpines Park | Zone 9b: 25°F to 30°F |
| Cedarville | Zone 6b: -5°F to 0°F |
| Centerville | Zone 9b: 25°F to 30°F |
| Central Valley | Zone 9a: 20°F to 25°F |
| Century City | Zone 11a: 40°F to 45°F |
| Ceres | Zone 9a: 20°F to 25°F |
| Cerritos | Zone 10b: 35°F to 40°F |
| Challenge | Zone 8b: 15°F to 20°F |
| Challenge-Brownsville | Zone 8b: 15°F to 20°F |
| Chambless | Zone 9b: 25°F to 30°F |
| Channel Islands Beach | Zone 10b: 35°F to 40°F |
| Charter Oak | Zone 10a: 30°F to 35°F |
| Chatsworth | Zone 10b: 35°F to 40°F |
| Cherokee | Zone 9a: 20°F to 25°F |
| Cherokee Strip | Zone 9a: 20°F to 25°F |
| Cherry Valley | Zone 9a: 20°F to 25°F |
| Cherryland | Zone 9b: 25°F to 30°F |
| Chester | Zone 7a: 0°F to 5°F |
| Chicago Park | Zone 9a: 20°F to 25°F |
| Chico | Zone 9a: 20°F to 25°F |
| Chilcoot | Zone 7a: 0°F to 5°F |
| Chilcoot-Vinton | Zone 7a: 0°F to 5°F |
| China Lake | Zone 8b: 15°F to 20°F |
| China Lake Acres | Zone 8b: 15°F to 20°F |
| Chinese Camp | Zone 9a: 20°F to 25°F |
| Chino | Zone 10a: 30°F to 35°F |
| Chino Hills | Zone 10a: 30°F to 35°F |
| Chiriaco Summit | Zone 9a: 20°F to 25°F |
| Chowchilla | Zone 9a: 20°F to 25°F |
| Chualar | Zone 9b: 25°F to 30°F |
| Chula Vista | Zone 10b: 35°F to 40°F |
| Cima | Zone 9b: 25°F to 30°F |
| Citrus | Zone 10a: 30°F to 35°F |
| Citrus Heights | Zone 9b: 25°F to 30°F |
| City of Industry | Zone 9b: 25°F to 30°F |
| Claremont | Zone 10a: 30°F to 35°F |
| Clarksburg | Zone 9b: 25°F to 30°F |
| Clay | Zone 9b: 25°F to 30°F |
| Clayton | Zone 9b: 25°F to 30°F |
| Clear Creek | Zone 7a: 0°F to 5°F |
| Clearlake | Zone 9a: 20°F to 25°F |
| Clearlake Oaks | Zone 8b: 15°F to 20°F |
| Clearlake Park | Zone 9a: 20°F to 25°F |
| Clements | Zone 9b: 25°F to 30°F |
| Cleone | Zone 9b: 25°F to 30°F |
| Clio | Zone 7b: 5°F to 10°F |
| Clipper Mills | Zone 8b: 15°F to 20°F |
| Cloverdale | Zone 9b: 25°F to 30°F |
| Clovis | Zone 9b: 25°F to 30°F |
| Clyde | Zone 9b: 25°F to 30°F |
| Coachella | Zone 9b: 25°F to 30°F |
| Coalinga | Zone 9a: 20°F to 25°F |
| Coarsegold | Zone 9a: 20°F to 25°F |
| Cobb | Zone 9a: 20°F to 25°F |
| Coffee Creek | Zone 8a: 10°F to 15°F |
| Cohasset | Zone 8b: 15°F to 20°F |
| Cold Springs | Zone 9a: 20°F to 25°F |
| Coleville | Zone 6a: -10°F to -5°F |
| Colfax | Zone 9a: 20°F to 25°F |
| College City | Zone 9b: 25°F to 30°F |
| Collierville | Zone 9b: 25°F to 30°F |
| Colma | Zone 10a: 30°F to 35°F |
| Coloma | Zone 9a: 20°F to 25°F |
| Colton | Zone 9b: 25°F to 30°F |
| Columbia | Zone 8b: 15°F to 20°F |
| Colusa | Zone 9b: 25°F to 30°F |
| Commerce | Zone 10b: 35°F to 40°F |
| Comptche | Zone 9b: 25°F to 30°F |
| Compton | Zone 10b: 35°F to 40°F |
| Concord | Zone 9b: 25°F to 30°F |
| Concow | Zone 8b: 15°F to 20°F |
| Cool | Zone 9a: 20°F to 25°F |
| Copperopolis | Zone 9a: 20°F to 25°F |
| Corcoran | Zone 9a: 20°F to 25°F |
| Corning | Zone 9a: 20°F to 25°F |
| Corona | Zone 9b: 25°F to 30°F |
| Corona Del Mar | Zone 10a: 30°F to 35°F |
| Coronado | Zone 10b: 35°F to 40°F |
| Corralitos | Zone 9b: 25°F to 30°F |
| Corte Madera | Zone 10a: 30°F to 35°F |
| Costa Mesa | Zone 10b: 35°F to 40°F |
| Cotati | Zone 9b: 25°F to 30°F |
| Coto De Caza | Zone 10a: 30°F to 35°F |
| Cottonwood | Zone 9a: 20°F to 25°F |
| Coulterville | Zone 8b: 15°F to 20°F |
| Country Club | Zone 9b: 25°F to 30°F |
| Courtland | Zone 9b: 25°F to 30°F |
| Covelo | Zone 8b: 15°F to 20°F |
| Covina | Zone 10a: 30°F to 35°F |
| Coyote | Zone 9b: 25°F to 30°F |
| Coyote Wells | Zone 9b: 25°F to 30°F |
| Crescent City | Zone 9b: 25°F to 30°F |
| Crescent City North | Zone 9b: 25°F to 30°F |
| Crescent Mills | Zone 7b: 5°F to 10°F |
| Cressey | Zone 9a: 20°F to 25°F |
| Crest | Zone 9b: 25°F to 30°F |
| Crest Park | Zone 9b: 25°F to 30°F |
| Crestline | Zone 9b: 25°F to 30°F |
| Creston | Zone 8b: 15°F to 20°F |
| Crockett | Zone 9b: 25°F to 30°F |
| Cromberg | Zone 7b: 5°F to 10°F |
| Crows Landing | Zone 9a: 20°F to 25°F |
| Cudahy | Zone 10b: 35°F to 40°F |
| Culver City | Zone 10b: 35°F to 40°F |
| Cupertino | Zone 9b: 25°F to 30°F |
| Cutler | Zone 9b: 25°F to 30°F |
| Cutten | Zone 10a: 30°F to 35°F |
| Cuyama | Zone 9a: 20°F to 25°F |
| Cypress | Zone 10b: 35°F to 40°F |
| Daggett | Zone 9a: 20°F to 25°F |
| Daly City | Zone 10a: 30°F to 35°F |
| Dana Point | Zone 10a: 30°F to 35°F |
| Danville | Zone 9b: 25°F to 30°F |
| Daphnedale Park | Zone 6a: -10°F to -5°F |
| Dardanelle | Zone 7a: 0°F to 5°F |
| Darwin | Zone 8a: 10°F to 15°F |
| Davenport | Zone 9b: 25°F to 30°F |
| Davis | Zone 9b: 25°F to 30°F |
| Davis Creek | Zone 6b: -5°F to 0°F |
| Day Valley | Zone 9b: 25°F to 30°F |
| Death Valley | Zone 9a: 20°F to 25°F |
| Death Valley Junction | Zone 8a: 10°F to 15°F |
| Dedrick | Zone 8b: 15°F to 20°F |
| Deer Park | Zone 9b: 25°F to 30°F |
| Del Aire | Zone 10b: 35°F to 40°F |
| Del Mar | Zone 11a: 40°F to 45°F |
| Del Monte Forest | Zone 10a: 30°F to 35°F |
| Del Rey | Zone 9b: 25°F to 30°F |
| Del Rey Oaks | Zone 10a: 30°F to 35°F |
| Del Rio | Zone 9b: 25°F to 30°F |
| Delano | Zone 9b: 25°F to 30°F |
| Delft Colony | Zone 9b: 25°F to 30°F |
| Delhi | Zone 9a: 20°F to 25°F |
| Delleker | Zone 7a: 0°F to 5°F |
| Denair | Zone 9a: 20°F to 25°F |
| Denny | Zone 9a: 20°F to 25°F |
| Derby Acres | Zone 9a: 20°F to 25°F |
| Descanso | Zone 9a: 20°F to 25°F |
| Desert | Zone 8b: 15°F to 20°F |
| Desert Center | Zone 9b: 25°F to 30°F |
| Desert Edge | Zone 9b: 25°F to 30°F |
| Desert Hot Springs | Zone 9a: 20°F to 25°F |
| Desert Shores | Zone 9a: 20°F to 25°F |
| Desert View Highlands | Zone 8b: 15°F to 20°F |
| Diablo | Zone 9b: 25°F to 30°F |
| Diamond Bar | Zone 10a: 30°F to 35°F |
| Diamond Springs | Zone 9a: 20°F to 25°F |
| Dillon Beach | Zone 10a: 30°F to 35°F |
| Dinuba | Zone 9b: 25°F to 30°F |
| Discovery Bay | Zone 9b: 25°F to 30°F |
| Disney California Adventure | Zone 10a: 30°F to 35°F |
| Disney Cars Land | Zone 10a: 30°F to 35°F |
| Disneyland Resort | Zone 10a: 30°F to 35°F |
| Dixon | Zone 9b: 25°F to 30°F |
| Dixon Lane-Meadow Creek | Zone 7b: 5°F to 10°F |
| Dobbins | Zone 8b: 15°F to 20°F |
| Dodgertown | Zone 10a: 30°F to 35°F |
| Dogtown | Zone 9b: 25°F to 30°F |
| Dollar Point | Zone 6a: -10°F to -5°F |
| Donner Ski Ranch | Zone 6b: -5°F to 0°F |
| Dorrington | Zone 8a: 10°F to 15°F |
| Dorris | Zone 7a: 0°F to 5°F |
| Dos Palos | Zone 9a: 20°F to 25°F |
| Dos Palos Y | Zone 9a: 20°F to 25°F |
| Dos Rios | Zone 8b: 15°F to 20°F |
| Douglas City | Zone 8b: 15°F to 20°F |
| Douglas Flat | Zone 8b: 15°F to 20°F |
| Downey | Zone 10b: 35°F to 40°F |
| Downieville | Zone 8a: 10°F to 15°F |
| Doyle | Zone 7a: 0°F to 5°F |
| Drytown | Zone 9a: 20°F to 25°F |
| Duarte | Zone 10a: 30°F to 35°F |
| Dublin | Zone 9b: 25°F to 30°F |
| Ducor | Zone 9a: 20°F to 25°F |
| Dulzura | Zone 9b: 25°F to 30°F |
| Duncans Mills | Zone 10a: 30°F to 35°F |
| Dunlap | Zone 8b: 15°F to 20°F |
| Dunnigan | Zone 9b: 25°F to 30°F |
| Dunsmuir | Zone 8a: 10°F to 15°F |
| Durham | Zone 9a: 20°F to 25°F |
| Dustin Acres | Zone 9a: 20°F to 25°F |
| Dutch Flat | Zone 8b: 15°F to 20°F |
| Eagleville | Zone 6b: -5°F to 0°F |
| Earlimart | Zone 9b: 25°F to 30°F |
| Earp | Zone 9b: 25°F to 30°F |
| East Blythe | Zone 9b: 25°F to 30°F |
| East Compton | Zone 10b: 35°F to 40°F |
| East Foothills | Zone 9b: 25°F to 30°F |
| East Hemet | Zone 8b: 15°F to 20°F |
| East Irvine | Zone 10a: 30°F to 35°F |
| East La Mirada | Zone 10a: 30°F to 35°F |
| East Los Angeles | Zone 10a: 30°F to 35°F |
| East Nicolaus | Zone 9b: 25°F to 30°F |
| East Oakdale | Zone 9a: 20°F to 25°F |
| East Orosi | Zone 9b: 25°F to 30°F |
| East Palo Alto | Zone 9b: 25°F to 30°F |
| East Pasadena | Zone 10a: 30°F to 35°F |
| East Porterville | Zone 9a: 20°F to 25°F |
| East Quincy | Zone 7b: 5°F to 10°F |
| East Rancho Dominguez | Zone 10b: 35°F to 40°F |
| East Richmond Heights | Zone 9b: 25°F to 30°F |
| East San Gabriel | Zone 10a: 30°F to 35°F |
| East Shore | Zone 7b: 5°F to 10°F |
| East Sonora | Zone 8b: 15°F to 20°F |
| Easton | Zone 9b: 25°F to 30°F |
| Echo Lake | Zone 6b: -5°F to 0°F |
| Edgewood | Zone 7b: 5°F to 10°F |
| Edison | Zone 9a: 20°F to 25°F |
| Edmundson Acres | Zone 9a: 20°F to 25°F |
| Edna | Zone 10a: 30°F to 35°F |
| Edwards | Zone 8a: 10°F to 15°F |
| Edwards Air Force Base | Zone 8a: 10°F to 15°F |
| El Cajon | Zone 10a: 30°F to 35°F |
| El Centro | Zone 10a: 30°F to 35°F |
| El Cerrito | Zone 9b: 25°F to 30°F |
| El Dorado | Zone 9a: 20°F to 25°F |
| El Dorado Hills | Zone 9a: 20°F to 25°F |
| El Granada | Zone 10a: 30°F to 35°F |
| El Macero | Zone 9b: 25°F to 30°F |
| El Mirage | Zone 8b: 15°F to 20°F |
| El Monte | Zone 10a: 30°F to 35°F |
| El Nido | Zone 9a: 20°F to 25°F |
| El Portal | Zone 8a: 10°F to 15°F |
| El Rio | Zone 10b: 35°F to 40°F |
| El Segundo | Zone 11a: 40°F to 45°F |
| El Sobrante | Zone 9b: 25°F to 30°F |
| El Toro | Zone 10a: 30°F to 35°F |
| El Verano | Zone 9b: 25°F to 30°F |
| Eldridge | Zone 9b: 25°F to 30°F |
| Elk | Zone 9b: 25°F to 30°F |
| Elk Creek | Zone 9a: 20°F to 25°F |
| Elk Grove | Zone 9b: 25°F to 30°F |
| Elkhorn | Zone 9b: 25°F to 30°F |
| Elmira | Zone 9b: 25°F to 30°F |
| Elverta | Zone 9b: 25°F to 30°F |
| Emerald Lake Hills | Zone 9b: 25°F to 30°F |
| Emeryville | Zone 10a: 30°F to 35°F |
| Emigrant Gap | Zone 8a: 10°F to 15°F |
| Empire | Zone 9a: 20°F to 25°F |
| Encinitas | Zone 11a: 40°F to 45°F |
| Encino | Zone 10b: 35°F to 40°F |
| Escalon | Zone 9a: 20°F to 25°F |
| Escondido | Zone 10a: 30°F to 35°F |
| Esparto | Zone 9b: 25°F to 30°F |
| Essex | Zone 10a: 30°F to 35°F |
| Etna | Zone 7b: 5°F to 10°F |
| Eucalyptus Hills | Zone 9b: 25°F to 30°F |
| Eureka | Zone 10a: 30°F to 35°F |
| Exeter | Zone 9b: 25°F to 30°F |
| Fair Oaks | Zone 9b: 25°F to 30°F |
| Fairbanks Ranch | Zone 11a: 40°F to 45°F |
| Fairfax | Zone 10a: 30°F to 35°F |
| Fairfield | Zone 9b: 25°F to 30°F |
| Fairmead | Zone 9a: 20°F to 25°F |
| Fairview | Zone 9b: 25°F to 30°F |
| Fall River Mills | Zone 7a: 0°F to 5°F |
| Fallbrook | Zone 10a: 30°F to 35°F |
| Farmersville | Zone 9b: 25°F to 30°F |
| Farmington | Zone 9a: 20°F to 25°F |
| Fawnskin | Zone 8b: 15°F to 20°F |
| Feather Falls | Zone 8b: 15°F to 20°F |
| Fellows | Zone 9a: 20°F to 25°F |
| Felton | Zone 9b: 25°F to 30°F |
| Ferndale | Zone 9b: 25°F to 30°F |
| Fetters Hot Springs-Agua Caliente | Zone 9b: 25°F to 30°F |
| Fiddletown | Zone 9a: 20°F to 25°F |
| Fieldbrook | Zone 10a: 30°F to 35°F |
| Fields Landing | Zone 10a: 30°F to 35°F |
| Fillmore | Zone 10a: 30°F to 35°F |
| Finley | Zone 8b: 15°F to 20°F |
| Firebaugh | Zone 9a: 20°F to 25°F |
| Fish Camp | Zone 8a: 10°F to 15°F |
| Five Points | Zone 9a: 20°F to 25°F |
| Florence-Graham | Zone 10b: 35°F to 40°F |
| Florin | Zone 9b: 25°F to 30°F |
| Floriston | Zone 6a: -10°F to -5°F |
| Flournoy | Zone 9a: 20°F to 25°F |
| Folsom | Zone 9b: 25°F to 30°F |
| Fontana | Zone 9b: 25°F to 30°F |
| Foothill Farms | Zone 9b: 25°F to 30°F |
| Foothill Ranch | Zone 10a: 30°F to 35°F |
| Forbestown | Zone 8b: 15°F to 20°F |
| Ford City | Zone 9a: 20°F to 25°F |
| Forest Falls | Zone 8b: 15°F to 20°F |
| Forest Knolls | Zone 10a: 30°F to 35°F |
| Forest Meadows | Zone 8b: 15°F to 20°F |
| Forest Ranch | Zone 8b: 15°F to 20°F |
| Foresthill | Zone 9a: 20°F to 25°F |
| Forestville | Zone 9b: 25°F to 30°F |
| Forks Of Salmon | Zone 8b: 15°F to 20°F |
| Fort Bidwell | Zone 6b: -5°F to 0°F |
| Fort Bragg | Zone 9b: 25°F to 30°F |
| Fort Dick | Zone 9b: 25°F to 30°F |
| Fort Irwin | Zone 9a: 20°F to 25°F |
| Fort Jones | Zone 7b: 5°F to 10°F |
| Fort Ross | Zone 10a: 30°F to 35°F |
| Fortuna | Zone 9b: 25°F to 30°F |
| Foster City | Zone 9b: 25°F to 30°F |
| Fountain Valley | Zone 10b: 35°F to 40°F |
| Fowler | Zone 9b: 25°F to 30°F |
| Franklin | Zone 9b: 25°F to 30°F |
| Frazier Park | Zone 9a: 20°F to 25°F |
| Freedom | Zone 9b: 25°F to 30°F |
| Freeport | Zone 9b: 25°F to 30°F |
| Fremont | Zone 9b: 25°F to 30°F |
| French Camp | Zone 9b: 25°F to 30°F |
| French Gulch | Zone 9a: 20°F to 25°F |
| Fresno | Zone 9b: 25°F to 30°F |
| Friant | Zone 9b: 25°F to 30°F |
| Fruitdale | Zone 9b: 25°F to 30°F |
| Fuller Acres | Zone 9a: 20°F to 25°F |
| Fullerton | Zone 10a: 30°F to 35°F |
| Fulton | Zone 9b: 25°F to 30°F |
| Furnace Creek | Zone 9a: 20°F to 25°F |
| Galt | Zone 9b: 25°F to 30°F |
| Garberville | Zone 9b: 25°F to 30°F |
| Garden Acres | Zone 9b: 25°F to 30°F |
| Garden Farms | Zone 9a: 20°F to 25°F |
| Garden Grove | Zone 10b: 35°F to 40°F |
| Garden Valley | Zone 9a: 20°F to 25°F |
| Gardena | Zone 10b: 35°F to 40°F |
| Garey | Zone 9b: 25°F to 30°F |
| Garnet | Zone 9a: 20°F to 25°F |
| Gasquet | Zone 9a: 20°F to 25°F |
| Gazelle | Zone 7b: 5°F to 10°F |
| Genesee | Zone 7b: 5°F to 10°F |
| Georgetown | Zone 9a: 20°F to 25°F |
| Gerber | Zone 9a: 20°F to 25°F |
| Geyserville | Zone 9b: 25°F to 30°F |
| Gilroy | Zone 9a: 20°F to 25°F |
| Glamis | Zone 10a: 30°F to 35°F |
| Glen Avon | Zone 9b: 25°F to 30°F |
| Glen Ellen | Zone 9b: 25°F to 30°F |
| Glencoe | Zone 9a: 20°F to 25°F |
| Glendale | Zone 10a: 30°F to 35°F |
| Glendora | Zone 10a: 30°F to 35°F |
| Glenhaven | Zone 8b: 15°F to 20°F |
| Glenn | Zone 9a: 20°F to 25°F |
| Glennville | Zone 8b: 15°F to 20°F |
| Goffs | Zone 10a: 30°F to 35°F |
| Gold River | Zone 9b: 25°F to 30°F |
| Gold Run | Zone 8b: 15°F to 20°F |
| Golden Hills | Zone 8b: 15°F to 20°F |
| Goleta | Zone 10a: 30°F to 35°F |
| Gonzales | Zone 9b: 25°F to 30°F |
| Good Hope | Zone 9a: 20°F to 25°F |
| Goodyears Bar | Zone 8a: 10°F to 15°F |
| Gorman | Zone 9a: 20°F to 25°F |
| Goshen | Zone 9b: 25°F to 30°F |
| Graeagle | Zone 7b: 5°F to 10°F |
| Granada Hills | Zone 10b: 35°F to 40°F |
| Grand Terrace | Zone 9b: 25°F to 30°F |
| Grangeville | Zone 9a: 20°F to 25°F |
| Granite Bay | Zone 9b: 25°F to 30°F |
| Granite Hills | Zone 9b: 25°F to 30°F |
| Graniteville | Zone 8a: 10°F to 15°F |
| Grass Valley | Zone 8b: 15°F to 20°F |
| Graton | Zone 9b: 25°F to 30°F |
| Grayson | Zone 9a: 20°F to 25°F |
| Greeley Hill | Zone 8b: 15°F to 20°F |
| Green Acres | Zone 9a: 20°F to 25°F |
| Green Valley | Zone 9b: 25°F to 30°F |
| Green Valley Lake | Zone 9a: 20°F to 25°F |
| Greenacres | Zone 9a: 20°F to 25°F |
| Greenbrae | Zone 10a: 30°F to 35°F |
| Greenfield | Zone 9a: 20°F to 25°F |
| Greenhorn | Zone 7b: 5°F to 10°F |
| Greenview | Zone 7b: 5°F to 10°F |
| Greenville | Zone 7b: 5°F to 10°F |
| Greenwood | Zone 9a: 20°F to 25°F |
| Grenada | Zone 7b: 5°F to 10°F |
| Gridley | Zone 9a: 20°F to 25°F |
| Grimes | Zone 9b: 25°F to 30°F |
| Grizzly Flat | Zone 8b: 15°F to 20°F |
| Grommet | Zone 9b: 25°F to 30°F |
| Groveland | Zone 8b: 15°F to 20°F |
| Grover Beach | Zone 10a: 30°F to 35°F |
| Guadalupe | Zone 10a: 30°F to 35°F |
| Gualala | Zone 10a: 30°F to 35°F |
| Guasti | Zone 9b: 25°F to 30°F |
| Guatay | Zone 9a: 20°F to 25°F |
| Guerneville | Zone 9b: 25°F to 30°F |
| Guinda | Zone 9a: 20°F to 25°F |
| Gustine | Zone 9a: 20°F to 25°F |
| Hacienda Heights | Zone 10a: 30°F to 35°F |
| Half Moon Bay | Zone 10a: 30°F to 35°F |
| Hamilton Branch | Zone 7b: 5°F to 10°F |
| Hamilton City | Zone 9a: 20°F to 25°F |
| Hanford | Zone 9a: 20°F to 25°F |
| Happy Camp | Zone 8b: 15°F to 20°F |
| Harbison Canyon | Zone 9b: 25°F to 30°F |
| Harbor City | Zone 10b: 35°F to 40°F |
| Hardwick | Zone 9a: 20°F to 25°F |
| Harmony | Zone 10a: 30°F to 35°F |
| Hartland | Zone 9a: 20°F to 25°F |
| Hartley | Zone 9b: 25°F to 30°F |
| Hat Creek | Zone 7a: 0°F to 5°F |
| Hathaway Pines | Zone 8a: 10°F to 15°F |
| Hawaiian Gardens | Zone 10b: 35°F to 40°F |
| Hawthorne | Zone 10b: 35°F to 40°F |
| Hayfork | Zone 8b: 15°F to 20°F |
| Hayward | Zone 9b: 25°F to 30°F |
| Healdsburg | Zone 9b: 25°F to 30°F |
| Heavenly Ski Resort | Zone 6b: -5°F to 0°F |
| Heber | Zone 10a: 30°F to 35°F |
| Helendale | Zone 8b: 15°F to 20°F |
| Helm | Zone 9b: 25°F to 30°F |
| Hemet | Zone 8b: 15°F to 20°F |
| Herald | Zone 9b: 25°F to 30°F |
| Hercules | Zone 9b: 25°F to 30°F |
| Herlong | Zone 7a: 0°F to 5°F |
| Hermosa Beach | Zone 10b: 35°F to 40°F |
| Hesperia | Zone 8b: 15°F to 20°F |
| Hickman | Zone 9a: 20°F to 25°F |
| Hidden Hills | Zone 10b: 35°F to 40°F |
| Hidden Meadows | Zone 10a: 30°F to 35°F |
| Hidden Trails | Zone 10a: 30°F to 35°F |
| Hidden Valley Lake | Zone 9a: 20°F to 25°F |
| Highgrove | Zone 9b: 25°F to 30°F |
| Highland | Zone 9b: 25°F to 30°F |
| Highlands | Zone 10a: 30°F to 35°F |
| Highlands-Baywood Park | Zone 10a: 30°F to 35°F |
| Hillsborough | Zone 10a: 30°F to 35°F |
| Hilmar | Zone 9a: 20°F to 25°F |
| Hilmar-Irwin | Zone 9a: 20°F to 25°F |
| Hinkley | Zone 8b: 15°F to 20°F |
| Hiouchi | Zone 9b: 25°F to 30°F |
| Hollister | Zone 9b: 25°F to 30°F |
| Hollywood | Zone 10b: 35°F to 40°F |
| Holt | Zone 9b: 25°F to 30°F |
| Holtville | Zone 10a: 30°F to 35°F |
| Holy City | Zone 9b: 25°F to 30°F |
| Home Garden | Zone 9a: 20°F to 25°F |
| Home Gardens | Zone 9b: 25°F to 30°F |
| Homeland | Zone 9a: 20°F to 25°F |
| Homewood | Zone 6a: -10°F to -5°F |
| Honcut | Zone 9a: 20°F to 25°F |
| Honeydew | Zone 9b: 25°F to 30°F |
| Hood | Zone 9b: 25°F to 30°F |
| Hoopa | Zone 9a: 20°F to 25°F |
| Hopland | Zone 9a: 20°F to 25°F |
| Hornbrook | Zone 7a: 0°F to 5°F |
| Hornitos | Zone 9a: 20°F to 25°F |
| Hughson | Zone 9a: 20°F to 25°F |
| Humboldt Hill | Zone 10a: 30°F to 35°F |
| Hume | Zone 8a: 10°F to 15°F |
| Huntington Beach | Zone 10b: 35°F to 40°F |
| Huntington Lake | Zone 8b: 15°F to 20°F |
| Huntington Park | Zone 10b: 35°F to 40°F |
| Huron | Zone 9a: 20°F to 25°F |
| Hyampom | Zone 9a: 20°F to 25°F |
| Hydesville | Zone 9b: 25°F to 30°F |
| Idlewild | Zone 8b: 15°F to 20°F |
| Idria | Zone 9a: 20°F to 25°F |
| Idyllwild | Zone 8b: 15°F to 20°F |
| Idyllwild-Pine Cove | Zone 8b: 15°F to 20°F |
| Igo | Zone 9a: 20°F to 25°F |
| Imperial | Zone 10a: 30°F to 35°F |
| Imperial Beach | Zone 10b: 35°F to 40°F |
| Independence | Zone 8a: 10°F to 15°F |
| Indian Falls | Zone 7b: 5°F to 10°F |
| Indian Wells | Zone 9b: 25°F to 30°F |
| Indianola | Zone 10a: 30°F to 35°F |
| Indio | Zone 9b: 25°F to 30°F |
| Indio Hills | Zone 9b: 25°F to 30°F |
| Industry | Zone 10a: 30°F to 35°F |
| Inglewood | Zone 10b: 35°F to 40°F |
| Ingot | Zone 8b: 15°F to 20°F |
| Interlaken | Zone 9b: 25°F to 30°F |
| Inverness | Zone 10a: 30°F to 35°F |
| Inyokern | Zone 8a: 10°F to 15°F |
| Ione | Zone 9b: 25°F to 30°F |
| Iron Horse | Zone 7a: 0°F to 5°F |
| Irvine | Zone 10a: 30°F to 35°F |
| Irwindale | Zone 10a: 30°F to 35°F |
| Isla Vista | Zone 10a: 30°F to 35°F |
| Island Mountain | Zone 9a: 20°F to 25°F |
| Isleton | Zone 9b: 25°F to 30°F |
| Ivanhoe | Zone 9b: 25°F to 30°F |
| Jackson | Zone 9a: 20°F to 25°F |
| Jacumba | Zone 9a: 20°F to 25°F |
| Jamestown | Zone 9a: 20°F to 25°F |
| Jamul | Zone 10a: 30°F to 35°F |
| Janesville | Zone 7a: 0°F to 5°F |
| Jenner | Zone 10a: 30°F to 35°F |
| Johannesburg | Zone 9a: 20°F to 25°F |
| Johnstonville | Zone 7a: 0°F to 5°F |
| Johnsville | Zone 7b: 5°F to 10°F |
| Jolon | Zone 9b: 25°F to 30°F |
| Joshua Tree | Zone 9a: 20°F to 25°F |
| Joshua Tree Natl Park | Zone 9a: 20°F to 25°F |
| Julian | Zone 9a: 20°F to 25°F |
| Junction City | Zone 8b: 15°F to 20°F |
| June Lake | Zone 7a: 0°F to 5°F |
| June Mountain Ski Area | Zone 7a: 0°F to 5°F |
| Kaweah | Zone 9b: 25°F to 30°F |
| Kecks Corner | Zone 9a: 20°F to 25°F |
| Keddie | Zone 7b: 5°F to 10°F |
| Keeler | Zone 8a: 10°F to 15°F |
| Keene | Zone 8b: 15°F to 20°F |
| Kelseyville | Zone 8b: 15°F to 20°F |
| Kennedy | Zone 9b: 25°F to 30°F |
| Kensington | Zone 9b: 25°F to 30°F |
| Kentfield | Zone 10a: 30°F to 35°F |
| Kenwood | Zone 9b: 25°F to 30°F |
| Kerman | Zone 9a: 20°F to 25°F |
| Kernville | Zone 9a: 20°F to 25°F |
| Keswick | Zone 9a: 20°F to 25°F |
| Kettleman City | Zone 9a: 20°F to 25°F |
| Keyes | Zone 9a: 20°F to 25°F |
| King City | Zone 9a: 20°F to 25°F |
| Kings Beach | Zone 6a: -10°F to -5°F |
| Kings Canyon Natl Park | Zone 8a: 10°F to 15°F |
| Kings Canyon Natl Park (north) | Zone 8b: 15°F to 20°F |
| Kings Canyon Natl Park (south) | Zone 8a: 10°F to 15°F |
| Kingsburg | Zone 9b: 25°F to 30°F |
| Kingvale | Zone 7b: 5°F to 10°F |
| Kirkwood | Zone 7a: 0°F to 5°F |
| Kirkwood Ski Resort | Zone 7a: 0°F to 5°F |
| Kit Carson | Zone 7a: 0°F to 5°F |
| Klamath | Zone 9b: 25°F to 30°F |
| Klamath River | Zone 7b: 5°F to 10°F |
| Kneeland | Zone 9b: 25°F to 30°F |
| Knights Landing | Zone 9b: 25°F to 30°F |
| Knightsen | Zone 9b: 25°F to 30°F |
| Knob | Zone 8b: 15°F to 20°F |
| Korbel | Zone 9b: 25°F to 30°F |
| Kyburz | Zone 7b: 5°F to 10°F |
| La Canada Flintridge | Zone 10a: 30°F to 35°F |
| La Crescenta | Zone 10a: 30°F to 35°F |
| La Crescenta-Montrose | Zone 10a: 30°F to 35°F |
| La Grange | Zone 9a: 20°F to 25°F |
| La Habra | Zone 10a: 30°F to 35°F |
| La Habra Heights | Zone 10a: 30°F to 35°F |
| La Honda | Zone 9b: 25°F to 30°F |
| La Jolla | Zone 11a: 40°F to 45°F |
| La Mesa | Zone 10a: 30°F to 35°F |
| La Mirada | Zone 10a: 30°F to 35°F |
| La Palma | Zone 10b: 35°F to 40°F |
| La Porte | Zone 8a: 10°F to 15°F |
| La Presa | Zone 10a: 30°F to 35°F |
| La Puente | Zone 10a: 30°F to 35°F |
| La Quinta | Zone 9b: 25°F to 30°F |
| La Riviera | Zone 9b: 25°F to 30°F |
| La Selva Beach | Zone 9b: 25°F to 30°F |
| La Verne | Zone 10a: 30°F to 35°F |
| La Vina | Zone 9a: 20°F to 25°F |
| Ladera | Zone 9b: 25°F to 30°F |
| Ladera Heights | Zone 10b: 35°F to 40°F |
| Ladera Ranch | Zone 10a: 30°F to 35°F |
| Lafayette | Zone 9b: 25°F to 30°F |
| Laguna | Zone 9b: 25°F to 30°F |
| Laguna Beach | Zone 10a: 30°F to 35°F |
| Laguna Hills | Zone 10a: 30°F to 35°F |
| Laguna Niguel | Zone 10a: 30°F to 35°F |
| Laguna Woods | Zone 10a: 30°F to 35°F |
| Lagunitas | Zone 10a: 30°F to 35°F |
| Lagunitas-Forest Knolls | Zone 10a: 30°F to 35°F |
| Lake Almanor | Zone 8a: 10°F to 15°F |
| Lake Almanor Country Club | Zone 7b: 5°F to 10°F |
| Lake Almanor Peninsula | Zone 7b: 5°F to 10°F |
| Lake Almanor West | Zone 7b: 5°F to 10°F |
| Lake Arrowhead | Zone 9a: 20°F to 25°F |
| Lake City | Zone 6b: -5°F to 0°F |
| Lake Davis | Zone 7a: 0°F to 5°F |
| Lake Elsinore | Zone 9a: 20°F to 25°F |
| Lake Forest | Zone 10a: 30°F to 35°F |
| Lake Hughes | Zone 9a: 20°F to 25°F |
| Lake Isabella | Zone 9a: 20°F to 25°F |
| Lake Los Angeles | Zone 8a: 10°F to 15°F |
| Lake Nacimiento | Zone 9a: 20°F to 25°F |
| Lake of the Pines | Zone 9a: 20°F to 25°F |
| Lake of the Woods | Zone 9a: 20°F to 25°F |
| Lake San Marcos | Zone 10a: 30°F to 35°F |
| Lake Tahoe | Zone 6b: -5°F to 0°F |
| Lake Wildwood | Zone 9a: 20°F to 25°F |
| Lakehead | Zone 9a: 20°F to 25°F |
| Lakeland Village | Zone 9b: 25°F to 30°F |
| Lakeport | Zone 8b: 15°F to 20°F |
| Lakeshore | Zone 8a: 10°F to 15°F |
| Lakeside | Zone 9b: 25°F to 30°F |
| Lakeview | Zone 9a: 20°F to 25°F |
| Lakewood | Zone 10b: 35°F to 40°F |
| Lamont | Zone 9a: 20°F to 25°F |
| Lanare | Zone 9a: 20°F to 25°F |
| Lancaster | Zone 8b: 15°F to 20°F |
| Landers | Zone 9a: 20°F to 25°F |
| Larkfield-Wikiup | Zone 9b: 25°F to 30°F |
| Larkspur | Zone 10a: 30°F to 35°F |
| Las Flores | Zone 11a: 40°F to 45°F |
| Las Lomas | Zone 9b: 25°F to 30°F |
| Lassen Volcanic Natl Park | Zone 7a: 0°F to 5°F |
| Lathrop | Zone 9b: 25°F to 30°F |
| Laton | Zone 9a: 20°F to 25°F |
| Lawndale | Zone 10b: 35°F to 40°F |
| Laytonville | Zone 9a: 20°F to 25°F |
| Le Grand | Zone 9a: 20°F to 25°F |
| Lebec | Zone 9a: 20°F to 25°F |
| Lee Vining | Zone 6b: -5°F to 0°F |
| Leggett | Zone 9b: 25°F to 30°F |
| Lemon Cove | Zone 9a: 20°F to 25°F |
| Lemon Grove | Zone 10b: 35°F to 40°F |
| Lemoore | Zone 9a: 20°F to 25°F |
| Lemoore Station | Zone 9a: 20°F to 25°F |
| Lennox | Zone 10b: 35°F to 40°F |
| Lenwood | Zone 8b: 15°F to 20°F |
| Leona Valley | Zone 9a: 20°F to 25°F |
| Lewiston | Zone 8b: 15°F to 20°F |
| Lexington Hills | Zone 9b: 25°F to 30°F |
| Likely | Zone 6a: -10°F to -5°F |
| Lincoln | Zone 9b: 25°F to 30°F |
| Lincoln Acres | Zone 10b: 35°F to 40°F |
| Lincoln Village | Zone 9b: 25°F to 30°F |
| Linda | Zone 9b: 25°F to 30°F |
| Lindcove | Zone 9b: 25°F to 30°F |
| Linden | Zone 9a: 20°F to 25°F |
| Lindsay | Zone 9b: 25°F to 30°F |
| Litchfield | Zone 7a: 0°F to 5°F |
| Little Grass Valley | Zone 8a: 10°F to 15°F |
| Little Lake | Zone 8a: 10°F to 15°F |
| Little River | Zone 9b: 25°F to 30°F |
| Littlerock | Zone 8b: 15°F to 20°F |
| Live Oak | Zone 9b: 25°F to 30°F |
| Livermore | Zone 9a: 20°F to 25°F |
| Livingston | Zone 9a: 20°F to 25°F |
| Llano | Zone 8b: 15°F to 20°F |
| Lockeford | Zone 9a: 20°F to 25°F |
| Lockwood | Zone 9b: 25°F to 30°F |
| Lodi | Zone 9b: 25°F to 30°F |
| Lodoga | Zone 9a: 20°F to 25°F |
| Loleta | Zone 10a: 30°F to 35°F |
| Loma Linda | Zone 9b: 25°F to 30°F |
| Loma Mar | Zone 9b: 25°F to 30°F |
| Loma Rica | Zone 9a: 20°F to 25°F |
| Lomita | Zone 10b: 35°F to 40°F |
| Lompico | Zone 9b: 25°F to 30°F |
| Lompoc | Zone 10a: 30°F to 35°F |
| Lompoc/Vandenberg AFB | Zone 10a: 30°F to 35°F |
| London | Zone 9b: 25°F to 30°F |
| Lone Pine | Zone 8a: 10°F to 15°F |
| Long Barn | Zone 8a: 10°F to 15°F |
| Long Beach | Zone 10b: 35°F to 40°F |
| Lookout | Zone 6b: -5°F to 0°F |
| Loomis | Zone 9a: 20°F to 25°F |
| Los Alamitos | Zone 10b: 35°F to 40°F |
| Los Alamos | Zone 9b: 25°F to 30°F |
| Los Altos | Zone 9b: 25°F to 30°F |
| Los Altos Hills | Zone 9b: 25°F to 30°F |
| Los Angeles | Zone 10b: 35°F to 40°F |
| Los Angeles/LA Intl Arpt | Zone 10b: 35°F to 40°F |
| Los Banos | Zone 9b: 25°F to 30°F |
| Los Berros | Zone 9b: 25°F to 30°F |
| Los Gatos | Zone 9b: 25°F to 30°F |
| Los Molinos | Zone 9a: 20°F to 25°F |
| Los Nietos | Zone 10a: 30°F to 35°F |
| Los Olivos | Zone 9b: 25°F to 30°F |
| Los Osos | Zone 10a: 30°F to 35°F |
| Los Serranos | Zone 10a: 30°F to 35°F |
| Lost Hills | Zone 9a: 20°F to 25°F |
| Lotus | Zone 9a: 20°F to 25°F |
| Lower Lake | Zone 9a: 20°F to 25°F |
| Loyalton | Zone 6b: -5°F to 0°F |
| Loyola | Zone 9b: 25°F to 30°F |
| Lucas Valley-Marinwood | Zone 10a: 30°F to 35°F |
| Lucerne | Zone 8b: 15°F to 20°F |
| Lucerne Valley | Zone 7b: 5°F to 10°F |
| Ludlow | Zone 9a: 20°F to 25°F |
| Lynwood | Zone 10b: 35°F to 40°F |
| Lyoth | Zone 9b: 25°F to 30°F |
| Lytle Creek | Zone 9b: 25°F to 30°F |
| Mabie | Zone 7a: 0°F to 5°F |
| MacDoel | Zone 7a: 0°F to 5°F |
| Mad River | Zone 9a: 20°F to 25°F |
| Madeline | Zone 6a: -10°F to -5°F |
| Madera | Zone 9a: 20°F to 25°F |
| Madera Acres | Zone 9a: 20°F to 25°F |
| Madison | Zone 9b: 25°F to 30°F |
| Magalia | Zone 8b: 15°F to 20°F |
| Malaga | Zone 9b: 25°F to 30°F |
| Malibu | Zone 11a: 40°F to 45°F |
| Malibu Beach | Zone 11a: 40°F to 45°F |
| Mammoth Lakes | Zone 7b: 5°F to 10°F |
| Mammoth Mountain Ski Area | Zone 7b: 5°F to 10°F |
| Manchester | Zone 9b: 25°F to 30°F |
| Manhattan Beach | Zone 11a: 40°F to 45°F |
| Manila | Zone 10a: 30°F to 35°F |
| Manteca | Zone 9b: 25°F to 30°F |
| Manton | Zone 8a: 10°F to 15°F |
| March AFB | Zone 9a: 20°F to 25°F |
| Maricopa | Zone 9a: 20°F to 25°F |
| Marin City | Zone 10a: 30°F to 35°F |
| Marina | Zone 9b: 25°F to 30°F |
| Marina Del Rey | Zone 11a: 40°F to 45°F |
| Mariposa | Zone 8b: 15°F to 20°F |
| Markleeville | Zone 7a: 0°F to 5°F |
| Marshall | Zone 10a: 30°F to 35°F |
| Martell | Zone 9a: 20°F to 25°F |
| Martinez | Zone 9b: 25°F to 30°F |
| Marysville | Zone 9b: 25°F to 30°F |
| Marysville/Beale AFB | Zone 9a: 20°F to 25°F |
| Mather | Zone 9b: 25°F to 30°F |
| Maxwell | Zone 9a: 20°F to 25°F |
| Mayflower Village | Zone 10a: 30°F to 35°F |
| Maywood | Zone 10b: 35°F to 40°F |
| McArthur | Zone 7a: 0°F to 5°F |
| McClellan AFB | Zone 9b: 25°F to 30°F |
| McCloud | Zone 7b: 5°F to 10°F |
| McFarland | Zone 9b: 25°F to 30°F |
| McKinleyville | Zone 10a: 30°F to 35°F |
| McKittrick | Zone 9a: 20°F to 25°F |
| Mead Valley | Zone 9a: 20°F to 25°F |
| Meadow Valley | Zone 8a: 10°F to 15°F |
| Meadow Vista | Zone 9a: 20°F to 25°F |
| Mecca | Zone 9a: 20°F to 25°F |
| Meiners Oaks | Zone 9b: 25°F to 30°F |
| Mendocino | Zone 9b: 25°F to 30°F |
| Mendota | Zone 9a: 20°F to 25°F |
| Menifee | Zone 9a: 20°F to 25°F |
| Menlo Park | Zone 9b: 25°F to 30°F |
| Mentone | Zone 9b: 25°F to 30°F |
| Merced | Zone 9a: 20°F to 25°F |
| Meridian | Zone 9b: 25°F to 30°F |
| Mesa | Zone 7b: 5°F to 10°F |
| Mesa Verde | Zone 9b: 25°F to 30°F |
| Mesa Vista | Zone 7a: 0°F to 5°F |
| Mettler | Zone 9a: 20°F to 25°F |
| Mexican Colony | Zone 9a: 20°F to 25°F |
| Mi Wuk Village | Zone 8a: 10°F to 15°F |
| Mi-Wuk Village | Zone 8a: 10°F to 15°F |
| Middletown | Zone 9b: 25°F to 30°F |
| Midpines | Zone 8b: 15°F to 20°F |
| Midway City | Zone 10b: 35°F to 40°F |
| Milford | Zone 7a: 0°F to 5°F |
| Mill Creek | Zone 7a: 0°F to 5°F |
| Mill Valley | Zone 10a: 30°F to 35°F |
| Millbrae | Zone 10a: 30°F to 35°F |
| Millville | Zone 9a: 20°F to 25°F |
| Milpitas | Zone 9b: 25°F to 30°F |
| Mineral | Zone 7a: 0°F to 5°F |
| Minkler | Zone 9b: 25°F to 30°F |
| Mira Loma | Zone 9b: 25°F to 30°F |
| Mira Monte | Zone 9b: 25°F to 30°F |
| Miramonte | Zone 9a: 20°F to 25°F |
| Miranda | Zone 9b: 25°F to 30°F |
| Mission Canyon | Zone 9b: 25°F to 30°F |
| Mission Hills | Zone 10a: 30°F to 35°F |
| Mission Viejo | Zone 10a: 30°F to 35°F |
| Moccasin | Zone 9a: 20°F to 25°F |
| Modesto | Zone 9a: 20°F to 25°F |
| Mohawk Vista | Zone 7b: 5°F to 10°F |
| Mojave | Zone 8b: 15°F to 20°F |
| Mokelumne Hill | Zone 9a: 20°F to 25°F |
| Monmouth | Zone 9b: 25°F to 30°F |
| Mono City | Zone 6a: -10°F to -5°F |
| Mono Hot Springs | Zone 7b: 5°F to 10°F |
| Mono Vista | Zone 8a: 10°F to 15°F |
| Monrovia | Zone 10a: 30°F to 35°F |
| Monson | Zone 9b: 25°F to 30°F |
| Montague | Zone 7b: 5°F to 10°F |
| Montalvin | Zone 9b: 25°F to 30°F |
| Montara | Zone 10a: 30°F to 35°F |
| Montclair | Zone 10a: 30°F to 35°F |
| Monte Rio | Zone 10a: 30°F to 35°F |
| Monte Sereno | Zone 9b: 25°F to 30°F |
| Montebello | Zone 10a: 30°F to 35°F |
| Montecito | Zone 9b: 25°F to 30°F |
| Monterey | Zone 10a: 30°F to 35°F |
| Monterey Park | Zone 10a: 30°F to 35°F |
| Montgomery Creek | Zone 8a: 10°F to 15°F |
| Montrose | Zone 10a: 30°F to 35°F |
| Moorpark | Zone 10a: 30°F to 35°F |
| Morada | Zone 9b: 25°F to 30°F |
| Moraga | Zone 9b: 25°F to 30°F |
| Moreno Valley | Zone 9a: 20°F to 25°F |
| Morgan Hill | Zone 9a: 20°F to 25°F |
| Morongo Valley | Zone 9a: 20°F to 25°F |
| Morro Bay | Zone 10a: 30°F to 35°F |
| Mortmar | Zone 9a: 20°F to 25°F |
| Moss Beach | Zone 10a: 30°F to 35°F |
| Moss Landing | Zone 9b: 25°F to 30°F |
| Mount Aukum | Zone 9a: 20°F to 25°F |
| Mount Baldy | Zone 9b: 25°F to 30°F |
| Mount Hamilton | Zone 9a: 20°F to 25°F |
| Mount Hebron | Zone 7a: 0°F to 5°F |
| Mount Hermon | Zone 9b: 25°F to 30°F |
| Mount Laguna | Zone 8b: 15°F to 20°F |
| Mount Shasta | Zone 7b: 5°F to 10°F |
| Mount Wilson | Zone 10a: 30°F to 35°F |
| Mountain Center | Zone 8b: 15°F to 20°F |
| Mountain Gate | Zone 9a: 20°F to 25°F |
| Mountain House | Zone 9b: 25°F to 30°F |
| Mountain Mesa | Zone 9a: 20°F to 25°F |
| Mountain Pass | Zone 8b: 15°F to 20°F |
| Mountain Ranch | Zone 9a: 20°F to 25°F |
| Mountain View | Zone 9b: 25°F to 30°F |
| Mountain View Acres | Zone 8b: 15°F to 20°F |
| Muir Beach | Zone 10a: 30°F to 35°F |
| Murphys | Zone 8b: 15°F to 20°F |
| Murrieta | Zone 9a: 20°F to 25°F |
| Murrieta Hot Springs | Zone 9a: 20°F to 25°F |
| Muscoy | Zone 9b: 25°F to 30°F |
| Myers Flat | Zone 9b: 25°F to 30°F |
| Myrtletown | Zone 10a: 30°F to 35°F |
| Napa | Zone 9b: 25°F to 30°F |
| National City | Zone 10b: 35°F to 40°F |
| Navarro | Zone 9a: 20°F to 25°F |
| Nebo | Zone 9a: 20°F to 25°F |
| Needles | Zone 10a: 30°F to 35°F |
| Nelson | Zone 9a: 20°F to 25°F |
| Nevada City | Zone 8b: 15°F to 20°F |
| New Almaden | Zone 9b: 25°F to 30°F |
| New Cuyama | Zone 8b: 15°F to 20°F |
| Newark | Zone 9b: 25°F to 30°F |
| Newberry Springs | Zone 9a: 20°F to 25°F |
| Newbury Park | Zone 10b: 35°F to 40°F |
| Newcastle | Zone 9a: 20°F to 25°F |
| Newell | Zone 6b: -5°F to 0°F |
| Newhall | Zone 9b: 25°F to 30°F |
| Newman | Zone 9a: 20°F to 25°F |
| Newport Beach | Zone 10b: 35°F to 40°F |
| Newport Coast | Zone 10a: 30°F to 35°F |
| Nicasio | Zone 10a: 30°F to 35°F |
| Nice | Zone 8b: 15°F to 20°F |
| Nicolaus | Zone 9b: 25°F to 30°F |
| Niland | Zone 9b: 25°F to 30°F |
| Nipinnawasee | Zone 8b: 15°F to 20°F |
| Nipomo | Zone 9b: 25°F to 30°F |
| Nipton | Zone 9a: 20°F to 25°F |
| Norco | Zone 9b: 25°F to 30°F |
| Nord | Zone 9a: 20°F to 25°F |
| Norden | Zone 7a: 0°F to 5°F |
| North Auburn | Zone 9a: 20°F to 25°F |
| North Edwards | Zone 8a: 10°F to 15°F |
| North El Monte | Zone 10a: 30°F to 35°F |
| North Fair Oaks | Zone 9b: 25°F to 30°F |
| North Fork | Zone 8b: 15°F to 20°F |
| North Glendale | Zone 10a: 30°F to 35°F |
| North Highlands | Zone 9b: 25°F to 30°F |
| North Hills | Zone 10b: 35°F to 40°F |
| North Hollywood | Zone 10b: 35°F to 40°F |
| North Lakeport | Zone 8b: 15°F to 20°F |
| North Palm Springs | Zone 9a: 20°F to 25°F |
| North Richmond | Zone 10a: 30°F to 35°F |
| North San Juan | Zone 8b: 15°F to 20°F |
| North Tustin | Zone 10a: 30°F to 35°F |
| Northridge | Zone 10b: 35°F to 40°F |
| Northstar-at-tahoe | Zone 6a: -10°F to -5°F |
| Norwalk | Zone 10b: 35°F to 40°F |
| Novato | Zone 10a: 30°F to 35°F |
| Nubieber | Zone 6b: -5°F to 0°F |
| Nuevo | Zone 9a: 20°F to 25°F |
| O'Neals | Zone 9b: 25°F to 30°F |
| Oak Glen | Zone 9a: 20°F to 25°F |
| Oak Hills | Zone 8b: 15°F to 20°F |
| Oak Park | Zone 10b: 35°F to 40°F |
| Oak Run | Zone 8b: 15°F to 20°F |
| Oak View | Zone 9b: 25°F to 30°F |
| Oakdale | Zone 9a: 20°F to 25°F |
| Oakhurst | Zone 8b: 15°F to 20°F |
| Oakland | Zone 9b: 25°F to 30°F |
| Oakley | Zone 9b: 25°F to 30°F |
| Oakville | Zone 9b: 25°F to 30°F |
| Oasis | Zone 9a: 20°F to 25°F |
| Obrien | Zone 9a: 20°F to 25°F |
| Occidental | Zone 10a: 30°F to 35°F |
| Oceano | Zone 10a: 30°F to 35°F |
| Oceanside | Zone 10b: 35°F to 40°F |
| Ocotillo | Zone 9a: 20°F to 25°F |
| Ocotillo Wells | Zone 9b: 25°F to 30°F |
| Oildale | Zone 9a: 20°F to 25°F |
| Ojai | Zone 9b: 25°F to 30°F |
| Olancha | Zone 8b: 15°F to 20°F |
| Old Station | Zone 7a: 0°F to 5°F |
| Olema | Zone 10a: 30°F to 35°F |
| Olivehurst | Zone 9b: 25°F to 30°F |
| Olympic Valley | Zone 6b: -5°F to 0°F |
| Ontario | Zone 10a: 30°F to 35°F |
| Onyx | Zone 8b: 15°F to 20°F |
| Opal Cliffs | Zone 9b: 25°F to 30°F |
| Orange | Zone 10a: 30°F to 35°F |
| Orange Cove | Zone 9b: 25°F to 30°F |
| Orangevale | Zone 9b: 25°F to 30°F |
| Orcutt | Zone 9b: 25°F to 30°F |
| Oregon House | Zone 8b: 15°F to 20°F |
| Orick | Zone 9b: 25°F to 30°F |
| Orinda | Zone 9b: 25°F to 30°F |
| Orland | Zone 9a: 20°F to 25°F |
| Orleans | Zone 9a: 20°F to 25°F |
| Oro Grande | Zone 8b: 15°F to 20°F |
| Orosi | Zone 9b: 25°F to 30°F |
| Oroville | Zone 9a: 20°F to 25°F |
| Oroville East | Zone 9a: 20°F to 25°F |
| Oxnard | Zone 10b: 35°F to 40°F |
| Oxnard Shores | Zone 10b: 35°F to 40°F |
| Pacheco | Zone 9b: 25°F to 30°F |
| Pacific Grove | Zone 10a: 30°F to 35°F |
| Pacific Palisades | Zone 11a: 40°F to 45°F |
| Pacifica | Zone 10a: 30°F to 35°F |
| Pacoima | Zone 10b: 35°F to 40°F |
| Paicines | Zone 9b: 25°F to 30°F |
| Pajaro | Zone 9b: 25°F to 30°F |
| Pala | Zone 9b: 25°F to 30°F |
| Palermo | Zone 9a: 20°F to 25°F |
| Palm Desert | Zone 10a: 30°F to 35°F |
| Palm Desert Country | Zone 10a: 30°F to 35°F |
| Palm Springs | Zone 9b: 25°F to 30°F |
| Palmdale | Zone 8b: 15°F to 20°F |
| Palmdale East | Zone 8b: 15°F to 20°F |
| Palo Alto | Zone 9b: 25°F to 30°F |
| Palo Cedro | Zone 9a: 20°F to 25°F |
| Palo Verde | Zone 9b: 25°F to 30°F |
| Palomar Mountain | Zone 8b: 15°F to 20°F |
| Palos Verdes Estates | Zone 10b: 35°F to 40°F |
| Panamint Springs | Zone 8a: 10°F to 15°F |
| Panoche | Zone 9a: 20°F to 25°F |
| Panorama City | Zone 10b: 35°F to 40°F |
| Panorama Heights | Zone 8b: 15°F to 20°F |
| Paradise | Zone 9a: 20°F to 25°F |
| Paradise Park | Zone 9b: 25°F to 30°F |
| Paramount | Zone 10b: 35°F to 40°F |
| Parker Dam | Zone 9b: 25°F to 30°F |
| Parksdale | Zone 9a: 20°F to 25°F |
| Parkway | Zone 9b: 25°F to 30°F |
| Parkwood | Zone 9a: 20°F to 25°F |
| Parlier | Zone 9b: 25°F to 30°F |
| Pasadena | Zone 10a: 30°F to 35°F |
| Pasatiempo | Zone 9b: 25°F to 30°F |
| Paskenta | Zone 9a: 20°F to 25°F |
| Paso Robles | Zone 8b: 15°F to 20°F |
| Patterson | Zone 9a: 20°F to 25°F |
| Patton | Zone 9b: 25°F to 30°F |
| Patton Village | Zone 7a: 0°F to 5°F |
| Pauma Valley | Zone 9b: 25°F to 30°F |
| Paxton | Zone 7b: 5°F to 10°F |
| Paynes Creek | Zone 8a: 10°F to 15°F |
| Peanut | Zone 8b: 15°F to 20°F |
| Pearblossom | Zone 8b: 15°F to 20°F |
| Pearsonville | Zone 8a: 10°F to 15°F |
| Pebble Beach | Zone 10a: 30°F to 35°F |
| Pedley | Zone 9b: 25°F to 30°F |
| Penn Valley | Zone 9a: 20°F to 25°F |
| Penngrove | Zone 9b: 25°F to 30°F |
| Penryn | Zone 9a: 20°F to 25°F |
| Perris | Zone 9a: 20°F to 25°F |
| Pescadero | Zone 9b: 25°F to 30°F |
| Petaluma | Zone 9b: 25°F to 30°F |
| Peters | Zone 9a: 20°F to 25°F |
| Petrolia | Zone 9b: 25°F to 30°F |
| Phelan | Zone 8b: 15°F to 20°F |
| Phillipsville | Zone 9b: 25°F to 30°F |
| Philo | Zone 9a: 20°F to 25°F |
| Pico Rivera | Zone 10a: 30°F to 35°F |
| Piedmont | Zone 9b: 25°F to 30°F |
| Piedra | Zone 9b: 25°F to 30°F |
| Piercy | Zone 9b: 25°F to 30°F |
| Pike | Zone 8b: 15°F to 20°F |
| Pilot Hill | Zone 9a: 20°F to 25°F |
| Pine Flat | Zone 8a: 10°F to 15°F |
| Pine Grove | Zone 9a: 20°F to 25°F |
| Pine Hills | Zone 10a: 30°F to 35°F |
| Pine Mountain Club | Zone 9a: 20°F to 25°F |
| Pine Valley | Zone 8b: 15°F to 20°F |
| Pinecrest | Zone 8a: 10°F to 15°F |
| Pinole | Zone 9b: 25°F to 30°F |
| Pinon Hills | Zone 8b: 15°F to 20°F |
| Pioneer | Zone 9a: 20°F to 25°F |
| Pioneertown | Zone 9a: 20°F to 25°F |
| Piru | Zone 9b: 25°F to 30°F |
| Pismo Beach | Zone 10a: 30°F to 35°F |
| Pittsburg | Zone 9b: 25°F to 30°F |
| Pixley | Zone 9b: 25°F to 30°F |
| Placentia | Zone 10a: 30°F to 35°F |
| Placerville | Zone 9a: 20°F to 25°F |
| Plainview | Zone 9b: 25°F to 30°F |
| Planada | Zone 9a: 20°F to 25°F |
| Plaster City | Zone 9b: 25°F to 30°F |
| Platina | Zone 8b: 15°F to 20°F |
| Playa Del Rey | Zone 11a: 40°F to 45°F |
| Pleasant Grove | Zone 9b: 25°F to 30°F |
| Pleasant Hill | Zone 9b: 25°F to 30°F |
| Pleasanton | Zone 9a: 20°F to 25°F |
| Plumas Lake | Zone 9b: 25°F to 30°F |
| Plymouth | Zone 9a: 20°F to 25°F |
| Point Arena | Zone 9b: 25°F to 30°F |
| Point Dume | Zone 11a: 40°F to 45°F |
| Point Mugu | Zone 10b: 35°F to 40°F |
| Point Mugu NAWC | Zone 10b: 35°F to 40°F |
| Point Reyes Station | Zone 10a: 30°F to 35°F |
| Pollock Pines | Zone 8b: 15°F to 20°F |
| Pomona | Zone 10a: 30°F to 35°F |
| Pond | Zone 9b: 25°F to 30°F |
| Ponderosa | Zone 8a: 10°F to 15°F |
| Pope Valley | Zone 9b: 25°F to 30°F |
| Poplar-Cotton Center | Zone 9b: 25°F to 30°F |
| Port Costa | Zone 9b: 25°F to 30°F |
| Port Hueneme | Zone 10b: 35°F to 40°F |
| Port Hueneme CBC Base | Zone 10b: 35°F to 40°F |
| Porter Ranch | Zone 10b: 35°F to 40°F |
| Porterville | Zone 9b: 25°F to 30°F |
| Portola | Zone 7a: 0°F to 5°F |
| Portola Hills | Zone 10a: 30°F to 35°F |
| Portola Valley | Zone 9b: 25°F to 30°F |
| Posey | Zone 8b: 15°F to 20°F |
| Poso Park | Zone 8b: 15°F to 20°F |
| Potrero | Zone 9b: 25°F to 30°F |
| Potter Valley | Zone 9a: 20°F to 25°F |
| Poway | Zone 10a: 30°F to 35°F |
| Pozo | Zone 8b: 15°F to 20°F |
| Prather | Zone 9b: 25°F to 30°F |
| Prattville | Zone 7b: 5°F to 10°F |
| Princeton | Zone 9b: 25°F to 30°F |
| Proberta | Zone 9a: 20°F to 25°F |
| Prunedale | Zone 9b: 25°F to 30°F |
| Quail Valley | Zone 9a: 20°F to 25°F |
| Quartz Hill | Zone 8b: 15°F to 20°F |
| Quincy | Zone 7b: 5°F to 10°F |
| Rackerby | Zone 8b: 15°F to 20°F |
| Rail Road Flat | Zone 8b: 15°F to 20°F |
| Rainbow | Zone 9b: 25°F to 30°F |
| Raisin City | Zone 9b: 25°F to 30°F |
| Ramona | Zone 9b: 25°F to 30°F |
| Ranchita | Zone 8b: 15°F to 20°F |
| Rancho Calaveras | Zone 9a: 20°F to 25°F |
| Rancho Cordova | Zone 9b: 25°F to 30°F |
| Rancho Cucamonga | Zone 9b: 25°F to 30°F |
| Rancho Mirage | Zone 10a: 30°F to 35°F |
| Rancho Murieta | Zone 9b: 25°F to 30°F |
| Rancho Palos Verdes | Zone 10b: 35°F to 40°F |
| Rancho Rinconada | Zone 9b: 25°F to 30°F |
| Rancho San Diego | Zone 10a: 30°F to 35°F |
| Rancho Santa Fe | Zone 11a: 40°F to 45°F |
| Rancho Santa Margarita | Zone 10a: 30°F to 35°F |
| Rancho Tehama Reserve | Zone 9a: 20°F to 25°F |
| Randsburg | Zone 9a: 20°F to 25°F |
| Ravendale | Zone 6a: -10°F to -5°F |
| Raymond | Zone 9a: 20°F to 25°F |
| Red Bluff | Zone 9a: 20°F to 25°F |
| Red Mountain | Zone 9a: 20°F to 25°F |
| Redcrest | Zone 9b: 25°F to 30°F |
| Redding | Zone 9a: 20°F to 25°F |
| Redlands | Zone 9b: 25°F to 30°F |
| Redondo Beach | Zone 10b: 35°F to 40°F |
| Redway | Zone 9b: 25°F to 30°F |
| Redwood City | Zone 9b: 25°F to 30°F |
| Redwood Estates | Zone 9b: 25°F to 30°F |
| Redwood Natl Park | Zone 9b: 25°F to 30°F |
| Redwood Shores | Zone 9b: 25°F to 30°F |
| Redwood Valley | Zone 9a: 20°F to 25°F |
| Reedley | Zone 9b: 25°F to 30°F |
| Represa | Zone 9b: 25°F to 30°F |
| Rescue | Zone 9a: 20°F to 25°F |
| Reseda | Zone 10b: 35°F to 40°F |
| Rialto | Zone 9b: 25°F to 30°F |
| Richfield | Zone 9a: 20°F to 25°F |
| Richgrove | Zone 9b: 25°F to 30°F |
| Richmond | Zone 9b: 25°F to 30°F |
| Richvale | Zone 9a: 20°F to 25°F |
| Ridgecrest | Zone 9a: 20°F to 25°F |
| Ridgemark | Zone 9b: 25°F to 30°F |
| Rimforest | Zone 9b: 25°F to 30°F |
| Rio Del Mar | Zone 9b: 25°F to 30°F |
| Rio Dell | Zone 9b: 25°F to 30°F |
| Rio Linda | Zone 9b: 25°F to 30°F |
| Rio Nido | Zone 9b: 25°F to 30°F |
| Rio Oso | Zone 9b: 25°F to 30°F |
| Rio Vista | Zone 9b: 25°F to 30°F |
| Ripley | Zone 9b: 25°F to 30°F |
| Ripon | Zone 9b: 25°F to 30°F |
| River Pines | Zone 9a: 20°F to 25°F |
| Riverbank | Zone 9a: 20°F to 25°F |
| Riverdale | Zone 9a: 20°F to 25°F |
| Riverdale Park | Zone 9a: 20°F to 25°F |
| Riverside | Zone 9b: 25°F to 30°F |
| Riverside/March AFB | Zone 9a: 20°F to 25°F |
| Robbins | Zone 9b: 25°F to 30°F |
| Rocklin | Zone 9b: 25°F to 30°F |
| Rodeo | Zone 9b: 25°F to 30°F |
| Rohnert Park | Zone 9b: 25°F to 30°F |
| Rolling Hills | Zone 10b: 35°F to 40°F |
| Rolling Hills Estates | Zone 10b: 35°F to 40°F |
| Rollingwood | Zone 9b: 25°F to 30°F |
| Romoland | Zone 9a: 20°F to 25°F |
| Rosamond | Zone 8b: 15°F to 20°F |
| Rosedale | Zone 9a: 20°F to 25°F |
| Roseland | Zone 9b: 25°F to 30°F |
| Rosemead | Zone 10a: 30°F to 35°F |
| Rosemont | Zone 9b: 25°F to 30°F |
| Roseville | Zone 9b: 25°F to 30°F |
| Ross | Zone 10a: 30°F to 35°F |
| Rossmoor | Zone 10b: 35°F to 40°F |
| Rough And Ready | Zone 9a: 20°F to 25°F |
| Round Mountain | Zone 8a: 10°F to 15°F |
| Round Valley | Zone 7b: 5°F to 10°F |
| Rowland Heights | Zone 10a: 30°F to 35°F |
| Royal George Cross Country Ski Resort | Zone 7a: 0°F to 5°F |
| Rubidoux | Zone 9b: 25°F to 30°F |
| Rumsey | Zone 9a: 20°F to 25°F |
| Running Springs | Zone 9a: 20°F to 25°F |
| Ruth | Zone 9a: 20°F to 25°F |
| Rutherford | Zone 9b: 25°F to 30°F |
| Ryde | Zone 9b: 25°F to 30°F |
| Sacramento | Zone 9b: 25°F to 30°F |
| Sacramento-Mather | Zone 9b: 25°F to 30°F |
| Sacramento/McClellan AFB | Zone 9b: 25°F to 30°F |
| Saint Helena | Zone 9b: 25°F to 30°F |
| Salida | Zone 9b: 25°F to 30°F |
| Salinas | Zone 9b: 25°F to 30°F |
| Salmon Creek | Zone 10a: 30°F to 35°F |
| Saltdale | Zone 8a: 10°F to 15°F |
| Salton City | Zone 9a: 20°F to 25°F |
| Salton Sea Beach | Zone 9a: 20°F to 25°F |
| Salyer | Zone 9a: 20°F to 25°F |
| Samoa | Zone 10a: 30°F to 35°F |
| San Andreas | Zone 9a: 20°F to 25°F |
| San Anselmo | Zone 10a: 30°F to 35°F |
| San Antonio Heights | Zone 10a: 30°F to 35°F |
| San Ardo | Zone 8b: 15°F to 20°F |
| San Bernardino | Zone 9b: 25°F to 30°F |
| San Bruno | Zone 10a: 30°F to 35°F |
| San Carlos | Zone 9b: 25°F to 30°F |
| San Clemente | Zone 10a: 30°F to 35°F |
| San Clemente Island | Zone 10b: 35°F to 40°F |
| San Diego | Zone 10b: 35°F to 40°F |
| San Diego Country Estates | Zone 9b: 25°F to 30°F |
| San Diego/Miramar MCAS | Zone 10b: 35°F to 40°F |
| San Diego/Montgomery Field | Zone 10b: 35°F to 40°F |
| San Dimas | Zone 10a: 30°F to 35°F |
| San Fernando | Zone 10a: 30°F to 35°F |
| San Francisco | Zone 10a: 30°F to 35°F |
| San Gabriel | Zone 10a: 30°F to 35°F |
| San Geronimo | Zone 10a: 30°F to 35°F |
| San Gregorio | Zone 10a: 30°F to 35°F |
| San Jacinto | Zone 8b: 15°F to 20°F |
| San Joaquin | Zone 9b: 25°F to 30°F |
| San Joaquin Hills | Zone 10a: 30°F to 35°F |
| San Jose | Zone 9b: 25°F to 30°F |
| San Jose/Reid-Hillview Arpt | Zone 9b: 25°F to 30°F |
| San Juan Bautista | Zone 9b: 25°F to 30°F |
| San Juan Capistrano | Zone 10a: 30°F to 35°F |
| San Leandro | Zone 9b: 25°F to 30°F |
| San Lorenzo | Zone 9b: 25°F to 30°F |
| San Lucas | Zone 9a: 20°F to 25°F |
| San Luis Obispo | Zone 10a: 30°F to 35°F |
| San Luis Rey | Zone 10a: 30°F to 35°F |
| San Marcos | Zone 10a: 30°F to 35°F |
| San Marino | Zone 10a: 30°F to 35°F |
| San Martin | Zone 9a: 20°F to 25°F |
| San Mateo | Zone 10a: 30°F to 35°F |
| San Miguel | Zone 8b: 15°F to 20°F |
| San Nicolas Island | Zone 10b: 35°F to 40°F |
| San Pablo | Zone 9b: 25°F to 30°F |
| San Pasqual | Zone 9b: 25°F to 30°F |
| San Pedro | Zone 10b: 35°F to 40°F |
| San Quentin | Zone 10a: 30°F to 35°F |
| San Rafael | Zone 10a: 30°F to 35°F |
| San Ramon | Zone 9b: 25°F to 30°F |
| San Simeon | Zone 10a: 30°F to 35°F |
| San Ysidro | Zone 10a: 30°F to 35°F |
| Sand City | Zone 10a: 30°F to 35°F |
| Sanger | Zone 9b: 25°F to 30°F |
| Santa Ana | Zone 10a: 30°F to 35°F |
| Santa Barbara | Zone 10a: 30°F to 35°F |
| Santa Clara | Zone 9b: 25°F to 30°F |
| Santa Clarita | Zone 9b: 25°F to 30°F |
| Santa Cruz | Zone 9b: 25°F to 30°F |
| Santa Fe Springs | Zone 10a: 30°F to 35°F |
| Santa Margarita | Zone 9b: 25°F to 30°F |
| Santa Maria | Zone 9b: 25°F to 30°F |
| Santa Monica | Zone 11a: 40°F to 45°F |
| Santa Paula | Zone 10a: 30°F to 35°F |
| Santa Rita Park | Zone 9a: 20°F to 25°F |
| Santa Rosa | Zone 9b: 25°F to 30°F |
| Santa Susana | Zone 10b: 35°F to 40°F |
| Santa Venetia | Zone 10a: 30°F to 35°F |
| Santa Ynez | Zone 9b: 25°F to 30°F |
| Santa Ysabel | Zone 9a: 20°F to 25°F |
| Santee | Zone 10a: 30°F to 35°F |
| Saranap | Zone 9b: 25°F to 30°F |
| Saratoga | Zone 9b: 25°F to 30°F |
| Saticoy | Zone 10a: 30°F to 35°F |
| Sattley | Zone 7a: 0°F to 5°F |
| Sausalito | Zone 10a: 30°F to 35°F |
| Sawyers Bar | Zone 8a: 10°F to 15°F |
| Scotia | Zone 9b: 25°F to 30°F |
| Scott Bar | Zone 7b: 5°F to 10°F |
| Scotts Valley | Zone 9b: 25°F to 30°F |
| Sea Ranch | Zone 10a: 30°F to 35°F |
| Seacliff | Zone 9b: 25°F to 30°F |
| Seal Beach | Zone 10b: 35°F to 40°F |
| Searles Valley | Zone 9a: 20°F to 25°F |
| Seaside | Zone 10a: 30°F to 35°F |
| Sebastopol | Zone 9b: 25°F to 30°F |
| Sedco Hills | Zone 9a: 20°F to 25°F |
| Seeley | Zone 9b: 25°F to 30°F |
| Seiad Valley | Zone 8a: 10°F to 15°F |
| Selma | Zone 9b: 25°F to 30°F |
| Sequoia Natl Park | Zone 8a: 10°F to 15°F |
| Seven Trees | Zone 9b: 25°F to 30°F |
| Seville | Zone 9b: 25°F to 30°F |
| Shackelford | Zone 9a: 20°F to 25°F |
| Shafter | Zone 9a: 20°F to 25°F |
| Shandon | Zone 8b: 15°F to 20°F |
| Shasta | Zone 9a: 20°F to 25°F |
| Shasta Lake | Zone 9a: 20°F to 25°F |
| Shaver Lake | Zone 9a: 20°F to 25°F |
| Sheep Ranch | Zone 8b: 15°F to 20°F |
| Shelter Cove | Zone 9b: 25°F to 30°F |
| Sheridan | Zone 9b: 25°F to 30°F |
| Sherman Oaks | Zone 10b: 35°F to 40°F |
| Shingle Springs | Zone 9a: 20°F to 25°F |
| Shingletown | Zone 8a: 10°F to 15°F |
| Shoshone | Zone 8a: 10°F to 15°F |
| Sierra Brooks | Zone 6b: -5°F to 0°F |
| Sierra City | Zone 8a: 10°F to 15°F |
| Sierra Madre | Zone 10a: 30°F to 35°F |
| Sierra Village | Zone 8a: 10°F to 15°F |
| Sierra-at-tahoe | Zone 7a: 0°F to 5°F |
| Sierraville | Zone 7a: 0°F to 5°F |
| Signal Hill | Zone 10b: 35°F to 40°F |
| Silverado | Zone 9b: 25°F to 30°F |
| Simi Valley | Zone 10a: 30°F to 35°F |
| Sisquoc | Zone 9b: 25°F to 30°F |
| Ski Homewood | Zone 6a: -10°F to -5°F |
| Sky Valley | Zone 9b: 25°F to 30°F |
| Skyforest | Zone 9a: 20°F to 25°F |
| Sleepy Hollow | Zone 10a: 30°F to 35°F |
| Sloughhouse | Zone 9b: 25°F to 30°F |
| Smartsville | Zone 9a: 20°F to 25°F |
| Smith Corner | Zone 9a: 20°F to 25°F |
| Smith River | Zone 9b: 25°F to 30°F |
| Snelling | Zone 9a: 20°F to 25°F |
| Snow Summit Mountain Resort | Zone 8a: 10°F to 15°F |
| Snow Valley Ski Area | Zone 9a: 20°F to 25°F |
| Soda Bay | Zone 8b: 15°F to 20°F |
| Soda Springs | Zone 7a: 0°F to 5°F |
| Solana Beach | Zone 11a: 40°F to 45°F |
| Soledad | Zone 9b: 25°F to 30°F |
| Solvang | Zone 10a: 30°F to 35°F |
| Somerset | Zone 9a: 20°F to 25°F |
| Somes Bar | Zone 8b: 15°F to 20°F |
| Somis | Zone 10a: 30°F to 35°F |
| Sonoma | Zone 9b: 25°F to 30°F |
| Sonora | Zone 8b: 15°F to 20°F |
| Soquel | Zone 9b: 25°F to 30°F |
| Soulsbyville | Zone 8a: 10°F to 15°F |
| South Dos Palos | Zone 9a: 20°F to 25°F |
| South El Monte | Zone 10a: 30°F to 35°F |
| South Gate | Zone 10b: 35°F to 40°F |
| South Lake | Zone 8b: 15°F to 20°F |
| South Lake Tahoe | Zone 6b: -5°F to 0°F |
| South Oroville | Zone 9a: 20°F to 25°F |
| South Pasadena | Zone 10a: 30°F to 35°F |
| South San Francisco | Zone 10a: 30°F to 35°F |
| South San Gabriel | Zone 10a: 30°F to 35°F |
| South San Jose Hills | Zone 10a: 30°F to 35°F |
| South Santa Rosa | Zone 9b: 25°F to 30°F |
| South Taft | Zone 9a: 20°F to 25°F |
| South Whittier | Zone 10a: 30°F to 35°F |
| South Yuba City | Zone 9b: 25°F to 30°F |
| Spreckels | Zone 9b: 25°F to 30°F |
| Spring Garden | Zone 7b: 5°F to 10°F |
| Spring Valley | Zone 10a: 30°F to 35°F |
| Springville | Zone 8b: 15°F to 20°F |
| Squaw Valley | Zone 9a: 20°F to 25°F |
| Squaw Valley USA | Zone 6b: -5°F to 0°F |
| Squirrel Mountain Valley | Zone 9a: 20°F to 25°F |
| Stallion Springs | Zone 9a: 20°F to 25°F |
| Standard | Zone 8b: 15°F to 20°F |
| Standish | Zone 7a: 0°F to 5°F |
| Stanford | Zone 9b: 25°F to 30°F |
| Stanton | Zone 10b: 35°F to 40°F |
| Stevenson Ranch | Zone 9b: 25°F to 30°F |
| Stevinson | Zone 9a: 20°F to 25°F |
| Stewarts Point | Zone 10a: 30°F to 35°F |
| Stinson Beach | Zone 10a: 30°F to 35°F |
| Stirling City | Zone 8a: 10°F to 15°F |
| Stockton | Zone 9b: 25°F to 30°F |
| Stonyford | Zone 8b: 15°F to 20°F |
| Storrie | Zone 8a: 10°F to 15°F |
| Stratford | Zone 9a: 20°F to 25°F |
| Strathmore | Zone 9b: 25°F to 30°F |
| Strawberry | Zone 8a: 10°F to 15°F |
| Strawberry Valley | Zone 8b: 15°F to 20°F |
| Studio City | Zone 10b: 35°F to 40°F |
| Sugar Bowl Ski Resort | Zone 6b: -5°F to 0°F |
| Sugarloaf | Zone 8a: 10°F to 15°F |
| Sugarloaf Saw Mill | Zone 8b: 15°F to 20°F |
| Sugarloaf Village | Zone 8b: 15°F to 20°F |
| Suisun | Zone 9b: 25°F to 30°F |
| Sultana | Zone 9b: 25°F to 30°F |
| Summerland | Zone 10a: 30°F to 35°F |
| Sun City | Zone 9a: 20°F to 25°F |
| Sun Valley | Zone 10b: 35°F to 40°F |
| Sunland | Zone 10a: 30°F to 35°F |
| Sunnyside | Zone 9b: 25°F to 30°F |
| Sunnyside-Tahoe City | Zone 6a: -10°F to -5°F |
| Sunnyslope | Zone 9b: 25°F to 30°F |
| Sunnyvale | Zone 9b: 25°F to 30°F |
| Sunol | Zone 9b: 25°F to 30°F |
| Sunset Beach | Zone 10b: 35°F to 40°F |
| Surfside | Zone 10b: 35°F to 40°F |
| Susanville | Zone 7a: 0°F to 5°F |
| Sutter | Zone 9b: 25°F to 30°F |
| Sutter Creek | Zone 9a: 20°F to 25°F |
| Sylmar | Zone 10a: 30°F to 35°F |
| Taft | Zone 9a: 20°F to 25°F |
| Taft Heights | Zone 9a: 20°F to 25°F |
| Taft Mosswood | Zone 9b: 25°F to 30°F |
| Tahoe City | Zone 6a: -10°F to -5°F |
| Tahoe Donner Ski Bowl | Zone 6b: -5°F to 0°F |
| Tahoe Vista | Zone 6a: -10°F to -5°F |
| Tahoma | Zone 6a: -10°F to -5°F |
| Tajiguas | Zone 10a: 30°F to 35°F |
| Talmage | Zone 9a: 20°F to 25°F |
| Tamalpais-Homestead Valley | Zone 10a: 30°F to 35°F |
| Tara Hills | Zone 9b: 25°F to 30°F |
| Tarpey Village | Zone 9b: 25°F to 30°F |
| Tarzana | Zone 10b: 35°F to 40°F |
| Taylorsville | Zone 7b: 5°F to 10°F |
| Tecate | Zone 9b: 25°F to 30°F |
| Tecopa | Zone 8a: 10°F to 15°F |
| Tehachapi | Zone 8b: 15°F to 20°F |
| Tehama | Zone 9a: 20°F to 25°F |
| Temecula | Zone 9b: 25°F to 30°F |
| Temelec | Zone 9b: 25°F to 30°F |
| Temple City | Zone 10a: 30°F to 35°F |
| Templeton | Zone 9a: 20°F to 25°F |
| Tennant | Zone 7a: 0°F to 5°F |
| Terminous | Zone 9b: 25°F to 30°F |
| Termo | Zone 5b: -15°F to -10°F |
| Terra Bella | Zone 9b: 25°F to 30°F |
| The Sea Ranch | Zone 10a: 30°F to 35°F |
| Thermal | Zone 9b: 25°F to 30°F |
| Thermalito | Zone 9a: 20°F to 25°F |
| Thornton | Zone 9b: 25°F to 30°F |
| Thousand Oaks | Zone 10b: 35°F to 40°F |
| Thousand Palms | Zone 10a: 30°F to 35°F |
| Three Rivers | Zone 9a: 20°F to 25°F |
| Three Rocks | Zone 9a: 20°F to 25°F |
| Tiburon | Zone 10a: 30°F to 35°F |
| Tierra Buena | Zone 9b: 25°F to 30°F |
| Tipton | Zone 9b: 25°F to 30°F |
| Tobin | Zone 8a: 10°F to 15°F |
| Tollhouse | Zone 9b: 25°F to 30°F |
| Toluca Lake | Zone 10b: 35°F to 40°F |
| Tomales | Zone 10a: 30°F to 35°F |
| Tonyville | Zone 9b: 25°F to 30°F |
| Topanga | Zone 11a: 40°F to 45°F |
| Topaz | Zone 6a: -10°F to -5°F |
| Toro Canyon | Zone 10a: 30°F to 35°F |
| Torrance | Zone 10b: 35°F to 40°F |
| Trabuco Canyon | Zone 9b: 25°F to 30°F |
| Trabuco Highlands | Zone 10a: 30°F to 35°F |
| Tracy | Zone 9b: 25°F to 30°F |
| Tranquillity | Zone 9a: 20°F to 25°F |
| Traver | Zone 9b: 25°F to 30°F |
| Travis AFB | Zone 9b: 25°F to 30°F |
| Tres Pinos | Zone 9b: 25°F to 30°F |
| Trinidad | Zone 10a: 30°F to 35°F |
| Trinity Center | Zone 8a: 10°F to 15°F |
| Trinity Village | Zone 9a: 20°F to 25°F |
| Trona | Zone 9a: 20°F to 25°F |
| Trowbridge | Zone 9b: 25°F to 30°F |
| Truckee | Zone 6a: -10°F to -5°F |
| Tujunga | Zone 10a: 30°F to 35°F |
| Tulare | Zone 9b: 25°F to 30°F |
| Tulelake | Zone 6b: -5°F to 0°F |
| Tuolumne | Zone 8a: 10°F to 15°F |
| Tuolumne City | Zone 8a: 10°F to 15°F |
| Tupman | Zone 9a: 20°F to 25°F |
| Turlock | Zone 9a: 20°F to 25°F |
| Tustin | Zone 10a: 30°F to 35°F |
| Tustin Foothills | Zone 10a: 30°F to 35°F |
| Tuttle | Zone 9a: 20°F to 25°F |
| Tuttletown | Zone 9a: 20°F to 25°F |
| Twain | Zone 7b: 5°F to 10°F |
| Twain Harte | Zone 8a: 10°F to 15°F |
| Twentynine Palms | Zone 9a: 20°F to 25°F |
| Twin Bridges | Zone 6b: -5°F to 0°F |
| Twin Lakes | Zone 9b: 25°F to 30°F |
| Twin Peaks | Zone 9b: 25°F to 30°F |
| Ukiah | Zone 9a: 20°F to 25°F |
| Union City | Zone 9b: 25°F to 30°F |
| Universal City | Zone 10b: 35°F to 40°F |
| Upland | Zone 10a: 30°F to 35°F |
| Upper Lake | Zone 8b: 15°F to 20°F |
| Vacaville | Zone 9b: 25°F to 30°F |
| Val Verde | Zone 9b: 25°F to 30°F |
| Valencia | Zone 9b: 25°F to 30°F |
| Valinda | Zone 10a: 30°F to 35°F |
| Valle Vista | Zone 8b: 15°F to 20°F |
| Vallecito | Zone 8b: 15°F to 20°F |
| Vallejo | Zone 9b: 25°F to 30°F |
| Valley Acres | Zone 9a: 20°F to 25°F |
| Valley Center | Zone 9b: 25°F to 30°F |
| Valley Ford | Zone 10a: 30°F to 35°F |
| Valley Home | Zone 9a: 20°F to 25°F |
| Valley Ranch | Zone 7b: 5°F to 10°F |
| Valley Springs | Zone 9a: 20°F to 25°F |
| Valley Village | Zone 10b: 35°F to 40°F |
| Valyermo | Zone 9a: 20°F to 25°F |
| Van Nuys | Zone 10b: 35°F to 40°F |
| Vandenberg Air Force Base | Zone 10a: 30°F to 35°F |
| Vandenberg Range | Zone 10a: 30°F to 35°F |
| Vandenberg Village | Zone 10a: 30°F to 35°F |
| Venice | Zone 11a: 40°F to 45°F |
| Ventucopa | Zone 9a: 20°F to 25°F |
| Ventura | Zone 10a: 30°F to 35°F |
| Verdugo City | Zone 10a: 30°F to 35°F |
| Vernalis | Zone 9b: 25°F to 30°F |
| Vernon | Zone 10b: 35°F to 40°F |
| Victor | Zone 9b: 25°F to 30°F |
| Victorville | Zone 8b: 15°F to 20°F |
| Vidal | Zone 9b: 25°F to 30°F |
| View Park-Windsor Hills | Zone 10b: 35°F to 40°F |
| Villa Grande | Zone 10a: 30°F to 35°F |
| Villa Park | Zone 10a: 30°F to 35°F |
| Vina | Zone 9a: 20°F to 25°F |
| Vincent | Zone 10a: 30°F to 35°F |
| Vine Hill | Zone 9b: 25°F to 30°F |
| Vineburg | Zone 9b: 25°F to 30°F |
| Vineyard | Zone 9b: 25°F to 30°F |
| Vinton | Zone 7a: 0°F to 5°F |
| Visalia | Zone 9b: 25°F to 30°F |
| Vista | Zone 10a: 30°F to 35°F |
| Vista Santa Rosa | Zone 9b: 25°F to 30°F |
| Volcano | Zone 9a: 20°F to 25°F |
| Volta | Zone 9b: 25°F to 30°F |
| Waldon | Zone 9b: 25°F to 30°F |
| Walker | Zone 6a: -10°F to -5°F |
| Wallace | Zone 9b: 25°F to 30°F |
| Walnut | Zone 10a: 30°F to 35°F |
| Walnut Creek | Zone 9b: 25°F to 30°F |
| Walnut Grove | Zone 9b: 25°F to 30°F |
| Walnut Park | Zone 10b: 35°F to 40°F |
| Warner Springs | Zone 8b: 15°F to 20°F |
| Wasco | Zone 9b: 25°F to 30°F |
| Washington | Zone 8a: 10°F to 15°F |
| Waterford | Zone 9a: 20°F to 25°F |
| Waterloo | Zone 9a: 20°F to 25°F |
| Watsonville | Zone 9b: 25°F to 30°F |
| Waukena | Zone 9a: 20°F to 25°F |
| Wawona | Zone 8a: 10°F to 15°F |
| Weaverville | Zone 8b: 15°F to 20°F |
| Weed | Zone 7b: 5°F to 10°F |
| Weedpatch | Zone 9a: 20°F to 25°F |
| Weimar | Zone 9a: 20°F to 25°F |
| Weitchpec | Zone 9a: 20°F to 25°F |
| Weldon | Zone 8b: 15°F to 20°F |
| Wendel | Zone 7a: 0°F to 5°F |
| Weott | Zone 9b: 25°F to 30°F |
| West Athens | Zone 10b: 35°F to 40°F |
| West Bishop | Zone 7b: 5°F to 10°F |
| West Carson | Zone 10b: 35°F to 40°F |
| West Compton | Zone 10b: 35°F to 40°F |
| West Covina | Zone 10a: 30°F to 35°F |
| West Hills | Zone 10b: 35°F to 40°F |
| West Hollywood | Zone 10b: 35°F to 40°F |
| West Menlo Park | Zone 9b: 25°F to 30°F |
| West Modesto | Zone 9b: 25°F to 30°F |
| West Park | Zone 9b: 25°F to 30°F |
| West Pittsburg | Zone 9b: 25°F to 30°F |
| West Point | Zone 8b: 15°F to 20°F |
| West Puente Valley | Zone 10a: 30°F to 35°F |
| West Rancho Dominguez | Zone 10b: 35°F to 40°F |
| West Sacramento | Zone 9b: 25°F to 30°F |
| West Whittier-Los Nietos | Zone 10a: 30°F to 35°F |
| Westhaven-Moonstone | Zone 10a: 30°F to 35°F |
| Westlake Village | Zone 10b: 35°F to 40°F |
| Westley | Zone 9a: 20°F to 25°F |
| Westminster | Zone 10b: 35°F to 40°F |
| Westmont | Zone 10b: 35°F to 40°F |
| Westmorland | Zone 9b: 25°F to 30°F |
| Westport | Zone 9b: 25°F to 30°F |
| Westwood | Zone 7a: 0°F to 5°F |
| Wheatland | Zone 9b: 25°F to 30°F |
| Whiskeytown | Zone 9a: 20°F to 25°F |
| White Mountain | Zone 7a: 0°F to 5°F |
| White Water | Zone 8b: 15°F to 20°F |
| Whitehawk | Zone 7a: 0°F to 5°F |
| Whitethorn | Zone 9b: 25°F to 30°F |
| Whitley Gardens | Zone 8a: 10°F to 15°F |
| Whitmore | Zone 8a: 10°F to 15°F |
| Whitmore Hot Springs | Zone 7b: 5°F to 10°F |
| Whittier | Zone 10a: 30°F to 35°F |
| Wildomar | Zone 9a: 20°F to 25°F |
| Wilkerson | Zone 7b: 5°F to 10°F |
| Williams | Zone 9a: 20°F to 25°F |
| Willits | Zone 8b: 15°F to 20°F |
| Willow Creek | Zone 9a: 20°F to 25°F |
| Willowbrook | Zone 10b: 35°F to 40°F |
| Willows | Zone 9a: 20°F to 25°F |
| Wilmington | Zone 10b: 35°F to 40°F |
| Wilseyville | Zone 8b: 15°F to 20°F |
| Wilsonia | Zone 8b: 15°F to 20°F |
| Wilton | Zone 9b: 25°F to 30°F |
| Winchester | Zone 9a: 20°F to 25°F |
| Windsor | Zone 9b: 25°F to 30°F |
| Winnetka | Zone 10b: 35°F to 40°F |
| Winter Gardens | Zone 9b: 25°F to 30°F |
| Winterhaven | Zone 10a: 30°F to 35°F |
| Winters | Zone 9b: 25°F to 30°F |
| Winton | Zone 9a: 20°F to 25°F |
| Wishon | Zone 8b: 15°F to 20°F |
| Witter Springs | Zone 8b: 15°F to 20°F |
| Wofford Heights | Zone 9a: 20°F to 25°F |
| Woodacre | Zone 10a: 30°F to 35°F |
| Woodbridge | Zone 9b: 25°F to 30°F |
| Woodcrest | Zone 9a: 20°F to 25°F |
| Woodlake | Zone 9b: 25°F to 30°F |
| Woodland | Zone 10a: 30°F to 35°F |
| Woodland Hills | Zone 10b: 35°F to 40°F |
| Woodside | Zone 9b: 25°F to 30°F |
| Woodville | Zone 9b: 25°F to 30°F |
| Woody | Zone 9a: 20°F to 25°F |
| Wrightwood | Zone 9a: 20°F to 25°F |
| Yankee Hill | Zone 9a: 20°F to 25°F |
| Yermo | Zone 9a: 20°F to 25°F |
| Yettem | Zone 9b: 25°F to 30°F |
| Yolo | Zone 9b: 25°F to 30°F |
| Yorba Linda | Zone 10a: 30°F to 35°F |
| Yorkville | Zone 9b: 25°F to 30°F |
| Yosemite Lakes | Zone 9a: 20°F to 25°F |
| Yosemite Natl Park | Zone 8a: 10°F to 15°F |
| Yosemite Valley | Zone 8a: 10°F to 15°F |
| Yountville | Zone 9b: 25°F to 30°F |
| Yreka | Zone 7b: 5°F to 10°F |
| Yuba City | Zone 9b: 25°F to 30°F |
| Yucaipa | Zone 9b: 25°F to 30°F |
| Yucca Valley | Zone 9a: 20°F to 25°F |
| Zamora | Zone 9b: 25°F to 30°F |
| Zayante | Zone 9b: 25°F to 30°F |
| Zenia | Zone 9a: 20°F to 25°F |