NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1988
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 130 Years | 1901- |
|---|---|---|---|---|
| Alameda County | 54.4°F | 0.5°F | 71 | 53.9°F |
| Alpine County | 38.4°F | 0.6°F | 83 | 37.7°F |
| Amador County | 51.9°F | 0.5°F | 84 | 51.3°F |
| Butte County | 52.9°F | 0.9°F | 89 | 52.0°F |
| Calaveras County | 52.3°F | 0.8°F | 90 | 51.5°F |
| Colusa County | 54.0°F | 0.8°F | 82 | 53.2°F |
| Contra Costa County | 54.7°F | 0.6°F | 75 | 54.1°F |
| Del Norte County | 47.9°F | 2.0°F | 117 | 46.0°F |
| El Dorado County | 48.1°F | 0.5°F | 80 | 47.7°F |
| Fresno County | 49.2°F | 1.4°F | 99 | 47.8°F |
| Glenn County | 53.6°F | 1.4°F | 96 | 52.1°F |
| Humboldt County | 49.6°F | 1.4°F | 106 | 48.2°F |
| Imperial County | 66.2°F | 2.7°F | 114 | 63.5°F |
| Inyo County | 53.4°F | 2.8°F | 120 | 50.6°F |
| Kern County | 54.8°F | 1.9°F | 105 | 53.0°F |
| Kings County | 55.6°F | 1.1°F | 89 | 54.5°F |
| Lake County | 51.7°F | 1.3°F | 100 | 50.4°F |
| Lassen County | 40.0°F | 1.5°F | 99 | 38.5°F |
| Los Angeles County | 56.6°F | 1.4°F | 95 | 55.2°F |
| Madera County | 50.1°F | 1.6°F | 105 | 48.4°F |
| Marin County | 53.6°F | 0.4°F | 72 | 53.2°F |
| Mariposa County | 49.5°F | 1.3°F | 102 | 48.2°F |
| Mendocino County | 51.2°F | 0.8°F | 89 | 50.4°F |
| Merced County | 54.8°F | 0.8°F | 81 | 53.9°F |
| Modoc County | 39.5°F | 1.5°F | 98 | 38.0°F |
| Mono County | 37.8°F | 1.3°F | 94 | 36.5°F |
| Monterey County | 53.8°F | 0.3°F | 71 | 53.5°F |
| Napa County | 54.1°F | 1.0°F | 93 | 53.1°F |
| Nevada County | 46.7°F | 0.7°F | 88 | 46.0°F |
| Orange County | 60.5°F | 0.3°F | 62 | 60.2°F |
| Placer County | 47.9°F | 0.7°F | 84 | 47.2°F |
| Plumas County | 42.0°F | 1.7°F | 106 | 40.3°F |
| Riverside County | 61.4°F | 2.0°F | 108 | 59.4°F |
| Sacramento County | 55.6°F | 0.9°F | 87 | 54.7°F |
| San Benito County | 53.1°F | 0.7°F | 82 | 52.5°F |
| San Bernardino County | 58.9°F | 2.8°F | 117 | 56.1°F |
| San Diego County | 58.2°F | 1.2°F | 92 | 56.9°F |
| San Francisco County | 54.1°F | -0.2°F | 49 | 54.3°F |
| San Joaquin County | 55.2°F | 1.0°F | 84 | 54.3°F |
| San Luis Obispo County | 53.7°F | 0.1°F | 57 | 53.6°F |
| San Mateo County | 53.9°F | 0.3°F | 67 | 53.6°F |
| Santa Barbara County | 54.4°F | 0.6°F | 73 | 53.8°F |
| Santa Clara County | 53.7°F | 0.8°F | 85 | 52.9°F |
| Santa Cruz County | 53.7°F | 0.3°F | 72 | 53.4°F |
| Shasta County | 48.9°F | 1.5°F | 106 | 47.4°F |
| Sierra County | 41.5°F | 1.1°F | 95 | 40.4°F |
| Siskiyou County | 43.1°F | 2.1°F | 118 | 41.0°F |
| Solano County | 55.0°F | 0.8°F | 79 | 54.2°F |
| Sonoma County | 53.5°F | 0.7°F | 79 | 52.8°F |
| Stanislaus County | 54.3°F | 0.6°F | 74 | 53.7°F |
| Sutter County | 55.8°F | 1.2°F | 93 | 54.7°F |
| Tehama County | 52.1°F | 1.1°F | 96 | 51.0°F |
| Trinity County | 46.6°F | 1.7°F | 111 | 44.9°F |
| Tulare County | 48.3°F | 1.8°F | 106 | 46.5°F |
| Tuolumne County | 44.6°F | 0.6°F | 83 | 44.0°F |
| Ventura County | 53.5°F | 0.9°F | 80 | 52.6°F |
| Yolo County | 55.3°F | 1.0°F | 87 | 54.3°F |
| Yuba County | 54.2°F | 1.0°F | 90 | 53.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
