NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1990
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
California (Hover over a County)
Temp
Average Temperature
:
--
Anomaly:
--
Rank:
-- Coldest
Mean:
--
*Signifies a tie
**Insufficient variability in the data record renders rank insignificant
County
|
Value | Anomaly | Rank 131 Years | 1901- |
|---|---|---|---|---|
| Alameda County | 57.6°F | 2.0°F | 103 | 55.6°F |
| Alpine County | 41.1°F | 1.9°F | 100 | 39.2°F |
| Amador County | 55.1°F | 1.3°F | 95 | 53.8°F |
| Butte County | 58.2°F | 2.0°F | 107 | 56.1°F |
| Calaveras County | 55.6°F | 1.4°F | 97 | 54.2°F |
| Colusa County | 60.2°F | 2.1°F | 104 | 58.1°F |
| Contra Costa County | 58.9°F | 1.9°F | 105 | 57.0°F |
| Del Norte County | 49.0°F | 1.5°F | 99 | 47.6°F |
| El Dorado County | 50.6°F | 1.3°F | 92 | 49.3°F |
| Fresno County | 53.8°F | 2.4°F | 107 | 51.3°F |
| Glenn County | 58.7°F | 2.2°F | 108 | 56.5°F |
| Humboldt County | 51.6°F | 1.5°F | 98 | 50.1°F |
| Imperial County | 71.7°F | 1.7°F | 93 | 70.1°F |
| Inyo County | 60.0°F | 2.9°F | 109 | 57.1°F |
| Kern County | 60.4°F | 2.8°F | 107 | 57.6°F |
| Kings County | 63.1°F | 2.3°F | 100 | 60.8°F |
| Lake County | 54.2°F | 1.6°F | 104 | 52.6°F |
| Lassen County | 45.6°F | 2.2°F | 107 | 43.4°F |
| Los Angeles County | 58.8°F | 2.3°F | 99 | 56.5°F |
| Madera County | 54.2°F | 2.1°F | 102 | 52.1°F |
| Marin County | 54.8°F | 1.6°F | 102 | 53.1°F |
| Mariposa County | 52.9°F | 1.9°F | 100 | 51.0°F |
| Mendocino County | 52.9°F | 1.3°F | 103 | 51.6°F |
| Merced County | 61.4°F | 2.2°F | 106 | 59.3°F |
| Modoc County | 45.0°F | 2.1°F | 101 | 42.9°F |
| Mono County | 42.2°F | 2.4°F | 105 | 39.8°F |
| Monterey County | 56.5°F | 2.1°F | 108 | 54.4°F |
| Napa County | 57.6°F | 1.9°F | 107 | 55.7°F |
| Nevada County | 50.0°F | 1.8°F | 105 | 48.2°F |
| Orange County | 61.0°F | 1.7°F | 97 | 59.3°F |
| Placer County | 51.1°F | 1.6°F | 98 | 49.5°F |
| Plumas County | 45.5°F | 1.8°F | 105 | 43.7°F |
| Riverside County | 65.9°F | 1.9°F | 96 | 64.0°F |
| Sacramento County | 61.2°F | 1.6°F | 101 | 59.5°F |
| San Benito County | 56.5°F | 2.4°F | 111 | 54.1°F |
| San Bernardino County | 65.1°F | 2.4°F | 100 | 62.7°F |
| San Diego County | 59.3°F | 1.6°F | 91 | 57.8°F |
| San Francisco County | 55.7°F | 1.1°F | 96 | 54.6°F |
| San Joaquin County | 61.1°F | 1.8°F | 100 | 59.3°F |
| San Luis Obispo County | 56.4°F | 1.6°F | 92 | 54.9°F |
| San Mateo County | 55.1°F | 1.7°F | 102 | 53.4°F |
| Santa Barbara County | 55.5°F | 2.3°F | 107 | 53.2°F |
| Santa Clara County | 56.4°F | 2.4°F | 112 | 54.0°F |
| Santa Cruz County | 55.4°F | 2.0°F | 103 | 53.4°F |
| Shasta County | 53.2°F | 1.9°F | 104 | 51.2°F |
| Sierra County | 44.7°F | 1.7°F | 100 | 43.0°F |
| Siskiyou County | 46.7°F | 2.2°F | 108 | 44.5°F |
| Solano County | 60.4°F | 2.0°F | 108 | 58.3°F |
| Sonoma County | 55.3°F | 1.5°F | 100 | 53.8°F |
| Stanislaus County | 60.2°F | 1.7°F | 100 | 58.5°F |
| Sutter County | 62.1°F | 1.8°F | 102 | 60.3°F |
| Tehama County | 56.5°F | 1.9°F | 105 | 54.6°F |
| Trinity County | 50.1°F | 2.1°F | 108 | 48.1°F |
| Tulare County | 52.6°F | 2.8°F | 113 | 49.9°F |
| Tuolumne County | 47.2°F | 1.6°F | 100 | 45.6°F |
| Ventura County | 54.6°F | 2.5°F | 104 | 52.1°F |
| Yolo County | 61.1°F | 2.1°F | 107 | 59.1°F |
| Yuba County | 59.1°F | 1.8°F | 99 | 57.4°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
