NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1949
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 | 55.8°F | 0.1°F | 72 | 55.6°F |
| Alpine County | 39.1°F | -0.1°F | 61 | 39.2°F |
| Amador County | 53.7°F | -0.1°F | 56 | 53.8°F |
| Butte County | 56.3°F | 0.2°F | 63 | 56.1°F |
| Calaveras County | 53.9°F | -0.3°F | 53 | 54.2°F |
| Colusa County | 58.8°F | 0.7°F | 81 | 58.1°F |
| Contra Costa County | 57.2°F | 0.2°F | 74 | 57.0°F |
| Del Norte County | 48.5°F | 0.9°F | 91 | 47.6°F |
| El Dorado County | 49.6°F | 0.3°F | 71 | 49.3°F |
| Fresno County | 51.1°F | -0.2°F | 62 | 51.3°F |
| Glenn County | 57.0°F | 0.5°F | 77 | 56.5°F |
| Humboldt County | 50.9°F | 0.8°F | 87 | 50.1°F |
| Imperial County | 69.6°F | -0.5°F | 51 | 70.1°F |
| Inyo County | 57.4°F | 0.3°F | 70 | 57.1°F |
| Kern County | 58.0°F | 0.4°F | 73 | 57.6°F |
| Kings County | 60.9°F | 0.1°F | 62 | 60.8°F |
| Lake County | 53.2°F | 0.7°F | 81 | 52.6°F |
| Lassen County | 44.9°F | 1.5°F | 96 | 43.4°F |
| Los Angeles County | 55.9°F | -0.6°F | 47 | 56.5°F |
| Madera County | 51.9°F | -0.2°F | 63 | 52.1°F |
| Marin County | 53.3°F | 0.2°F | 71 | 53.1°F |
| Mariposa County | 50.6°F | -0.3°F | 52 | 51.0°F |
| Mendocino County | 52.2°F | 0.6°F | 81 | 51.6°F |
| Merced County | 59.6°F | 0.3°F | 75 | 59.3°F |
| Modoc County | 45.1°F | 2.2°F | 104 | 42.9°F |
| Mono County | 39.8°F | -0.1°F | 63 | 39.8°F |
| Monterey County | 54.4°F | 0.0°F | 66 | 54.4°F |
| Napa County | 56.1°F | 0.4°F | 75 | 55.7°F |
| Nevada County | 48.0°F | -0.2°F | 56 | 48.2°F |
| Orange County | 58.4°F | -1.0°F | 33 | 59.3°F |
| Placer County | 49.6°F | 0.1°F | 60 | 49.5°F |
| Plumas County | 44.2°F | 0.5°F | 81 | 43.7°F |
| Riverside County | 63.4°F | -0.5°F | 49 | 64.0°F |
| Sacramento County | 60.0°F | 0.5°F | 80 | 59.5°F |
| San Benito County | 54.1°F | -0.1°F | 68 | 54.1°F |
| San Bernardino County | 62.3°F | -0.4°F | 52 | 62.7°F |
| San Diego County | 57.1°F | -0.7°F | 43 | 57.8°F |
| San Francisco County | 54.2°F | -0.4°F | 54 | 54.6°F |
| San Joaquin County | 59.7°F | 0.5°F | 76 | 59.3°F |
| San Luis Obispo County | 54.9°F | 0.0°F | 69 | 54.9°F |
| San Mateo County | 53.5°F | 0.1°F | 63 | 53.4°F |
| Santa Barbara County | 53.7°F | 0.5°F | 76 | 53.2°F |
| Santa Clara County | 54.0°F | -0.1°F | 65 | 54.0°F |
| Santa Cruz County | 53.5°F | 0.1°F | 69 | 53.4°F |
| Shasta County | 52.3°F | 1.1°F | 91 | 51.2°F |
| Sierra County | 43.1°F | 0.1°F | 61 | 43.0°F |
| Siskiyou County | 45.7°F | 1.2°F | 96 | 44.5°F |
| Solano County | 58.5°F | 0.1°F | 73 | 58.3°F |
| Sonoma County | 54.0°F | 0.2°F | 73 | 53.8°F |
| Stanislaus County | 59.0°F | 0.5°F | 80 | 58.5°F |
| Sutter County | 60.7°F | 0.5°F | 75 | 60.3°F |
| Tehama County | 55.3°F | 0.7°F | 80 | 54.6°F |
| Trinity County | 48.8°F | 0.7°F | 86 | 48.1°F |
| Tulare County | 50.1°F | 0.3°F | 72 | 49.9°F |
| Tuolumne County | 45.3°F | -0.3°F | 57 | 45.6°F |
| Ventura County | 51.8°F | -0.3°F | 54 | 52.1°F |
| Yolo County | 59.5°F | 0.5°F | 77 | 59.1°F |
| Yuba County | 57.7°F | 0.3°F | 71 | 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
