NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1989
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
California (Hover over a County)
Temp
Average Temperature
:
51.8°F
Anomaly:
1.1°F
Rank:
37th Warmest
Mean:
50.7°F
*Signifies a tie
**Insufficient variability in the data record renders rank insignificant
County
|
Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Alameda County | 54.1°F | 0.2°F | 63 | 53.9°F |
| Alpine County | 39.4°F | 1.7°F | 103 | 37.7°F |
| Amador County | 51.3°F | 0.0°F | 65 | 51.3°F |
| Butte County | 52.6°F | 0.6°F | 76 | 52.0°F |
| Calaveras County | 51.6°F | 0.0°F | 61 | 51.5°F |
| Colusa County | 53.9°F | 0.7°F | 78 | 53.2°F |
| Contra Costa County | 54.8°F | 0.6°F | 79 | 54.1°F |
| Del Norte County | 47.3°F | 1.4°F | 102 | 46.0°F |
| El Dorado County | 48.9°F | 1.3°F | 103 | 47.7°F |
| Fresno County | 48.6°F | 0.8°F | 87 | 47.8°F |
| Glenn County | 52.6°F | 0.5°F | 68 | 52.1°F |
| Humboldt County | 48.8°F | 0.6°F | 71 | 48.2°F |
| Imperial County | 65.3°F | 1.8°F | 102 | 63.5°F |
| Inyo County | 52.7°F | 2.2°F | 105 | 50.6°F |
| Kern County | 53.9°F | 1.0°F | 85 | 53.0°F |
| Kings County | 54.1°F | -0.4°F | 44 | 54.5°F |
| Lake County | 51.5°F | 1.1°F | 94 | 50.4°F |
| Lassen County | 38.9°F | 0.5°F | 70 | 38.5°F |
| Los Angeles County | 57.6°F | 2.4°F | 111 | 55.2°F |
| Madera County | 49.2°F | 0.8°F | 84 | 48.4°F |
| Marin County | 53.2°F | 0.0°F | 55 | 53.2°F |
| Mariposa County | 49.1°F | 0.9°F | 93 | 48.2°F |
| Mendocino County | 50.5°F | 0.1°F | 62 | 50.4°F |
| Merced County | 53.0°F | -0.9°F | 33 | 53.9°F |
| Modoc County | 38.8°F | 0.8°F | 76 | 38.0°F |
| Mono County | 38.2°F | 1.6°F | 107 | 36.5°F |
| Monterey County | 54.4°F | 0.9°F | 85 | 53.5°F |
| Napa County | 53.5°F | 0.5°F | 72 | 53.1°F |
| Nevada County | 47.1°F | 1.1°F | 98 | 46.0°F |
| Orange County | 62.4°F | 2.2°F | 110 | 60.2°F |
| Placer County | 48.0°F | 0.8°F | 90 | 47.2°F |
| Plumas County | 41.1°F | 0.8°F | 87 | 40.3°F |
| Riverside County | 61.2°F | 1.8°F | 102 | 59.4°F |
| Sacramento County | 53.7°F | -1.0°F | 29 | 54.7°F |
| San Benito County | 53.2°F | 0.8°F | 83 | 52.5°F |
| San Bernardino County | 57.7°F | 1.6°F | 97 | 56.1°F |
| San Diego County | 59.0°F | 2.1°F | 109 | 56.9°F |
| San Francisco County | 54.7°F | 0.4°F | 72 | 54.3°F |
| San Joaquin County | 53.3°F | -1.0°F | 33 | 54.3°F |
| San Luis Obispo County | 54.6°F | 1.0°F | 90 | 53.6°F |
| San Mateo County | 54.5°F | 0.9°F | 85 | 53.6°F |
| Santa Barbara County | 55.9°F | 2.1°F | 106 | 53.8°F |
| Santa Clara County | 53.5°F | 0.6°F | 79 | 52.9°F |
| Santa Cruz County | 54.6°F | 1.2°F | 93 | 53.4°F |
| Shasta County | 48.3°F | 1.0°F | 91 | 47.4°F |
| Sierra County | 41.3°F | 0.8°F | 94 | 40.4°F |
| Siskiyou County | 42.4°F | 1.4°F | 105 | 41.0°F |
| Solano County | 53.9°F | -0.4°F | 40 | 54.2°F |
| Sonoma County | 53.0°F | 0.1°F | 60 | 52.8°F |
| Stanislaus County | 52.8°F | -1.0°F | 35 | 53.7°F |
| Sutter County | 53.7°F | -0.9°F | 29 | 54.7°F |
| Tehama County | 51.4°F | 0.4°F | 74 | 51.0°F |
| Trinity County | 45.3°F | 0.4°F | 68 | 44.9°F |
| Tulare County | 47.3°F | 0.9°F | 87 | 46.5°F |
| Tuolumne County | 45.3°F | 1.3°F | 105 | 44.0°F |
| Ventura County | 54.9°F | 2.3°F | 108 | 52.6°F |
| Yolo County | 54.0°F | -0.3°F | 46 | 54.3°F |
| Yuba County | 53.3°F | 0.1°F | 58 | 53.2°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
