NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1939
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 | 56.2°F | 0.6°F | 76 | 55.6°F |
| Alpine County | 42.2°F | 3.0°F | 119 | 39.2°F |
| Amador County | 56.0°F | 2.2°F | 109 | 53.8°F |
| Butte County | 59.1°F | 2.9°F | 115 | 56.1°F |
| Calaveras County | 56.1°F | 1.9°F | 105 | 54.2°F |
| Colusa County | 61.9°F | 3.7°F | 122 | 58.1°F |
| Contra Costa County | 58.1°F | 1.1°F | 89 | 57.0°F |
| Del Norte County | 49.6°F | 2.0°F | 110 | 47.6°F |
| El Dorado County | 52.2°F | 2.9°F | 116 | 49.3°F |
| Fresno County | 53.2°F | 1.9°F | 97 | 51.3°F |
| Glenn County | 60.3°F | 3.8°F | 125 | 56.5°F |
| Humboldt County | 52.2°F | 2.1°F | 113 | 50.1°F |
| Imperial County | 71.5°F | 1.4°F | 88 | 70.1°F |
| Inyo County | 59.6°F | 2.5°F | 101 | 57.1°F |
| Kern County | 59.2°F | 1.6°F | 91 | 57.6°F |
| Kings County | 62.5°F | 1.7°F | 92 | 60.8°F |
| Lake County | 55.4°F | 2.9°F | 118 | 52.6°F |
| Lassen County | 47.1°F | 3.7°F | 128 | 43.4°F |
| Los Angeles County | 57.0°F | 0.5°F | 77 | 56.5°F |
| Madera County | 54.1°F | 2.0°F | 99 | 52.1°F |
| Marin County | 53.7°F | 0.6°F | 79 | 53.1°F |
| Mariposa County | 53.4°F | 2.4°F | 114 | 51.0°F |
| Mendocino County | 54.1°F | 2.5°F | 119 | 51.6°F |
| Merced County | 60.9°F | 1.6°F | 98 | 59.3°F |
| Modoc County | 46.6°F | 3.7°F | 122 | 42.9°F |
| Mono County | 42.3°F | 2.4°F | 107 | 39.8°F |
| Monterey County | 55.4°F | 1.0°F | 84 | 54.4°F |
| Napa County | 57.1°F | 1.4°F | 92 | 55.7°F |
| Nevada County | 51.0°F | 2.8°F | 116 | 48.2°F |
| Orange County | 58.8°F | -0.5°F | 46 | 59.3°F |
| Placer County | 52.4°F | 2.8°F | 116 | 49.5°F |
| Plumas County | 46.8°F | 3.1°F | 121 | 43.7°F |
| Riverside County | 65.6°F | 1.7°F | 94 | 64.0°F |
| Sacramento County | 61.4°F | 1.8°F | 106 | 59.5°F |
| San Benito County | 55.5°F | 1.4°F | 91 | 54.1°F |
| San Bernardino County | 64.8°F | 2.1°F | 96 | 62.7°F |
| San Diego County | 58.5°F | 0.8°F | 82 | 57.8°F |
| San Francisco County | 54.4°F | -0.1°F | 59 | 54.6°F |
| San Joaquin County | 60.4°F | 1.2°F | 89 | 59.3°F |
| San Luis Obispo County | 55.4°F | 0.6°F | 77 | 54.9°F |
| San Mateo County | 53.6°F | 0.2°F | 70 | 53.4°F |
| Santa Barbara County | 53.1°F | -0.1°F | 58 | 53.2°F |
| Santa Clara County | 54.3°F | 0.3°F | 74 | 54.0°F |
| Santa Cruz County | 53.7°F | 0.3°F | 76 | 53.4°F |
| Shasta County | 54.9°F | 3.6°F | 124 | 51.2°F |
| Sierra County | 46.0°F | 3.0°F | 119 | 43.0°F |
| Siskiyou County | 47.8°F | 3.3°F | 120 | 44.5°F |
| Solano County | 59.6°F | 1.3°F | 92 | 58.3°F |
| Sonoma County | 55.1°F | 1.3°F | 96 | 53.8°F |
| Stanislaus County | 60.0°F | 1.6°F | 98 | 58.5°F |
| Sutter County | 62.8°F | 2.5°F | 113 | 60.3°F |
| Tehama County | 58.2°F | 3.6°F | 122 | 54.6°F |
| Trinity County | 51.3°F | 3.2°F | 120 | 48.1°F |
| Tulare County | 51.9°F | 2.0°F | 97 | 49.9°F |
| Tuolumne County | 48.0°F | 2.4°F | 112 | 45.6°F |
| Ventura County | 52.6°F | 0.5°F | 76 | 52.1°F |
| Yolo County | 61.1°F | 2.1°F | 107 | 59.1°F |
| Yuba County | 60.1°F | 2.8°F | 115 | 57.4°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
