NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1897
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 | 55.1°F | -0.6°F | 49 | 55.6°F |
| Alpine County | 38.5°F | -0.7°F | 46 | 39.2°F |
| Amador County | 53.4°F | -0.4°F | 49 | 53.8°F |
| Butte County | 57.8°F | 1.7°F | 94 | 56.1°F |
| Calaveras County | 53.2°F | -0.9°F | 42 | 54.2°F |
| Colusa County | 59.1°F | 1.0°F | 86 | 58.1°F |
| Contra Costa County | 57.1°F | 0.1°F | 71 | 57.0°F |
| Del Norte County | 46.5°F | -1.1°F | 31 | 47.6°F |
| El Dorado County | 49.4°F | 0.0°F | 63 | 49.3°F |
| Fresno County | 50.4°F | -0.9°F | 44 | 51.3°F |
| Glenn County | 57.8°F | 1.3°F | 93 | 56.5°F |
| Humboldt County | 50.1°F | 0.0°F | 63 | 50.1°F |
| Imperial County | 70.4°F | 0.3°F | 62 | 70.1°F |
| Inyo County | 56.1°F | -1.0°F | 45 | 57.1°F |
| Kern County | 56.3°F | -1.3°F | 35 | 57.6°F |
| Kings County | 60.9°F | 0.0°F | 62 | 60.8°F |
| Lake County | 53.5°F | 0.9°F | 88 | 52.6°F |
| Lassen County | 43.9°F | 0.6°F | 73 | 43.4°F |
| Los Angeles County | 55.6°F | -0.9°F | 37 | 56.5°F |
| Madera County | 50.6°F | -1.5°F | 30 | 52.1°F |
| Marin County | 52.6°F | -0.5°F | 50 | 53.1°F |
| Mariposa County | 49.2°F | -1.7°F | 28 | 51.0°F |
| Mendocino County | 52.7°F | 1.2°F | 96 | 51.6°F |
| Merced County | 57.3°F | -2.0°F | 20 | 59.3°F |
| Modoc County | 42.9°F | 0.0°F | 61 | 42.9°F |
| Mono County | 38.8°F | -1.0°F | 41 | 39.8°F |
| Monterey County | 54.2°F | -0.2°F | 57 | 54.4°F |
| Napa County | 55.9°F | 0.3°F | 71 | 55.7°F |
| Nevada County | 49.8°F | 1.6°F | 102 | 48.2°F |
| Orange County | 59.6°F | 0.2°F | 73 | 59.3°F |
| Placer County | 50.5°F | 0.9°F | 87 | 49.5°F |
| Plumas County | 44.7°F | 1.0°F | 89 | 43.7°F |
| Riverside County | 64.2°F | 0.3°F | 65 | 64.0°F |
| Sacramento County | 59.8°F | 0.3°F | 73 | 59.5°F |
| San Benito County | 53.0°F | -1.2°F | 32 | 54.1°F |
| San Bernardino County | 62.7°F | 0.0°F | 64 | 62.7°F |
| San Diego County | 58.5°F | 0.8°F | 82 | 57.8°F |
| San Francisco County | 53.8°F | -0.8°F | 39 | 54.6°F |
| San Joaquin County | 58.8°F | -0.5°F | 52 | 59.3°F |
| San Luis Obispo County | 55.1°F | 0.2°F | 71 | 54.9°F |
| San Mateo County | 52.5°F | -0.9°F | 36 | 53.4°F |
| Santa Barbara County | 51.1°F | -2.0°F | 17 | 53.2°F |
| Santa Clara County | 52.8°F | -1.2°F | 31 | 54.0°F |
| Santa Cruz County | 52.5°F | -0.9°F | 35 | 53.4°F |
| Shasta County | 52.2°F | 1.0°F | 87 | 51.2°F |
| Sierra County | 44.2°F | 1.2°F | 90 | 43.0°F |
| Siskiyou County | 44.9°F | 0.4°F | 73 | 44.5°F |
| Solano County | 58.5°F | 0.1°F | 73 | 58.3°F |
| Sonoma County | 53.8°F | 0.1°F | 67 | 53.8°F |
| Stanislaus County | 56.5°F | -1.9°F | 17 | 58.5°F |
| Sutter County | 61.4°F | 1.1°F | 87 | 60.3°F |
| Tehama County | 55.7°F | 1.1°F | 90 | 54.6°F |
| Trinity County | 48.7°F | 0.6°F | 79 | 48.1°F |
| Tulare County | 49.0°F | -0.9°F | 44 | 49.9°F |
| Tuolumne County | 44.2°F | -1.4°F | 37 | 45.6°F |
| Ventura County | 49.4°F | -2.7°F | 8 | 52.1°F |
| Yolo County | 59.6°F | 0.5°F | 79 | 59.1°F |
| Yuba County | 59.2°F | 1.8°F | 103 | 57.4°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
