NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1983
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
California (Hover over a County)
TempAverage Temperature: 51.9°F
Rank: 34th Warmest
Anomaly: 1.2°F
Mean: 50.7°F
County | Value | Rank 130 Years | Anomaly | 1901- |
|---|---|---|---|---|
| Alameda County | 55.9°F | 115 | 2.0°F | 53.9°F |
| Alpine County | 37.4°F | 54 | -0.4°F | 37.7°F |
| Amador County | 51.2°F | 57 | -0.2°F | 51.3°F |
| Butte County | 51.9°F | 51 | -0.1°F | 52.0°F |
| Calaveras County | 51.5°F | 60 | 0.0°F | 51.5°F |
| Colusa County | 54.8°F | 104 | 1.6°F | 53.2°F |
| Contra Costa County | 55.8°F | 110 | 1.7°F | 54.1°F |
| Del Norte County | 47.0°F | 92 | 1.0°F | 46.0°F |
| El Dorado County | 47.0°F | 41 | -0.7°F | 47.7°F |
| Fresno County | 49.0°F | 95 | 1.3°F | 47.8°F |
| Glenn County | 53.1°F | 89 | 1.0°F | 52.1°F |
| Humboldt County | 49.6°F | 106 | 1.3°F | 48.2°F |
| Imperial County | 65.8°F | 108 | 2.3°F | 63.5°F |
| Inyo County | 51.9°F | 97 | 1.3°F | 50.6°F |
| Kern County | 54.6°F | 102 | 1.6°F | 53.0°F |
| Kings County | 57.0°F | 115 | 2.5°F | 54.5°F |
| Lake County | 51.4°F | 91 | 0.9°F | 50.4°F |
| Lassen County | 39.8°F | 92 | 1.3°F | 38.5°F |
| Los Angeles County | 56.6°F | 95 | 1.4°F | 55.2°F |
| Madera County | 49.5°F | 94 | 1.0°F | 48.4°F |
| Marin County | 55.3°F | 117 | 2.1°F | 53.2°F |
| Mariposa County | 48.4°F | 71 | 0.1°F | 48.2°F |
| Mendocino County | 51.5°F | 101 | 1.1°F | 50.4°F |
| Merced County | 56.4°F | 116 | 2.5°F | 53.9°F |
| Modoc County | 38.6°F | 71 | 0.6°F | 38.0°F |
| Mono County | 38.0°F | 99 | 1.4°F | 36.5°F |
| Monterey County | 55.5°F | 115 | 2.0°F | 53.5°F |
| Napa County | 54.0°F | 85 | 1.0°F | 53.1°F |
| Nevada County | 45.1°F | 39 | -0.9°F | 46.0°F |
| Orange County | 61.8°F | 98 | 1.6°F | 60.2°F |
| Placer County | 46.8°F | 49 | -0.4°F | 47.2°F |
| Plumas County | 40.7°F | 74 | 0.4°F | 40.3°F |
| Riverside County | 60.6°F | 86 | 1.2°F | 59.4°F |
| Sacramento County | 56.5°F | 109 | 1.8°F | 54.7°F |
| San Benito County | 54.1°F | 107 | 1.6°F | 52.5°F |
| San Bernardino County | 57.6°F | 95 | 1.5°F | 56.1°F |
| San Diego County | 58.7°F | 104 | 1.8°F | 56.9°F |
| San Francisco County | 56.1°F | 110 | 1.8°F | 54.3°F |
| San Joaquin County | 56.7°F | 119 | 2.4°F | 54.3°F |
| San Luis Obispo County | 55.4°F | 105 | 1.8°F | 53.6°F |
| San Mateo County | 55.9°F | 121 | 2.2°F | 53.6°F |
| Santa Barbara County | 55.6°F | 101 | 1.8°F | 53.8°F |
| Santa Clara County | 54.4°F | 104 | 1.5°F | 52.9°F |
| Santa Cruz County | 55.5°F | 115 | 2.1°F | 53.4°F |
| Shasta County | 47.4°F | 58 | 0.0°F | 47.4°F |
| Sierra County | 39.7°F | 39 | -0.7°F | 40.4°F |
| Siskiyou County | 41.6°F | 73 | 0.6°F | 41.0°F |
| Solano County | 56.0°F | 110 | 1.8°F | 54.2°F |
| Sonoma County | 54.3°F | 103 | 1.5°F | 52.8°F |
| Stanislaus County | 55.8°F | 113 | 2.1°F | 53.7°F |
| Sutter County | 55.6°F | 83 | 1.0°F | 54.7°F |
| Tehama County | 50.9°F | 54 | -0.1°F | 51.0°F |
| Trinity County | 45.9°F | 92 | 1.0°F | 44.9°F |
| Tulare County | 47.9°F | 99 | 1.5°F | 46.5°F |
| Tuolumne County | 43.1°F | 38 | -0.9°F | 44.0°F |
| Ventura County | 53.9°F | 93 | 1.2°F | 52.6°F |
| Yolo County | 55.5°F | 94 | 1.2°F | 54.3°F |
| Yuba County | 52.9°F | 47 | -0.3°F | 53.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
