NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1998
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
California (Hover over a County)
TempAverage Temperature: 51.9°F
Anomaly: -2.6°F
Rank: 7th Coldest
Mean: 54.5°F
County | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Alameda County | 54.7°F | -1.0°F | 39 | 55.6°F |
| Alpine County | 35.9°F | -3.3°F | 9 | 39.2°F |
| Amador County | 49.7°F | -4.1°F | 3 | 53.8°F |
| Butte County | 52.8°F | -3.3°F | 3 | 56.1°F |
| Calaveras County | 50.1°F | -4.0°F | 3 | 54.2°F |
| Colusa County | 55.3°F | -2.8°F | 7 | 58.1°F |
| Contra Costa County | 55.3°F | -1.7°F | 16 | 57.0°F |
| Del Norte County | 47.7°F | 0.1°F | 70 | 47.6°F |
| El Dorado County | 45.5°F | -3.9°F | 4 | 49.3°F |
| Fresno County | 48.3°F | -3.0°F | 6 | 51.3°F |
| Glenn County | 53.2°F | -3.3°F | 3 | 56.5°F |
| Humboldt County | 49.5°F | -0.6°F | 39 | 50.1°F |
| Imperial County | 67.9°F | -2.2°F | 10 | 70.1°F |
| Inyo County | 52.8°F | -4.2°F | 2 | 57.1°F |
| Kern County | 54.6°F | -3.1°F | 4 | 57.6°F |
| Kings County | 58.4°F | -2.4°F | 10 | 60.8°F |
| Lake County | 49.6°F | -3.0°F | 5 | 52.6°F |
| Lassen County | 40.7°F | -2.7°F | 16 | 43.4°F |
| Los Angeles County | 54.5°F | -2.0°F | 17 | 56.5°F |
| Madera County | 48.9°F | -3.2°F | 8 | 52.1°F |
| Marin County | 52.5°F | -0.7°F | 44 | 53.1°F |
| Mariposa County | 46.8°F | -4.1°F | 2 | 51.0°F |
| Mendocino County | 49.6°F | -2.0°F | 14 | 51.6°F |
| Merced County | 57.5°F | -1.8°F | 24 | 59.3°F |
| Modoc County | 41.0°F | -1.9°F | 31 | 42.9°F |
| Mono County | 36.5°F | -3.4°F | 8 | 39.8°F |
| Monterey County | 53.8°F | -0.6°F | 45 | 54.4°F |
| Napa County | 54.0°F | -1.7°F | 17 | 55.7°F |
| Nevada County | 44.3°F | -3.9°F | 5 | 48.2°F |
| Orange County | 58.8°F | -0.5°F | 46 | 59.3°F |
| Placer County | 46.0°F | -3.5°F | 6 | 49.5°F |
| Plumas County | 40.3°F | -3.4°F | 6 | 43.7°F |
| Riverside County | 61.4°F | -2.6°F | 9 | 64.0°F |
| Sacramento County | 57.2°F | -2.3°F | 10 | 59.5°F |
| San Benito County | 53.0°F | -1.1°F | 32 | 54.1°F |
| San Bernardino County | 59.3°F | -3.4°F | 3 | 62.7°F |
| San Diego County | 56.2°F | -1.6°F | 21 | 57.8°F |
| San Francisco County | 55.2°F | 0.7°F | 84 | 54.6°F |
| San Joaquin County | 57.3°F | -2.0°F | 16 | 59.3°F |
| San Luis Obispo County | 53.5°F | -1.4°F | 29 | 54.9°F |
| San Mateo County | 53.7°F | 0.3°F | 71 | 53.4°F |
| Santa Barbara County | 53.2°F | 0.0°F | 64 | 53.2°F |
| Santa Clara County | 53.2°F | -0.9°F | 42 | 54.0°F |
| Santa Cruz County | 53.3°F | -0.1°F | 60 | 53.4°F |
| Shasta County | 47.9°F | -3.4°F | 9 | 51.2°F |
| Sierra County | 39.6°F | -3.4°F | 6 | 43.0°F |
| Siskiyou County | 42.6°F | -1.9°F | 20 | 44.5°F |
| Solano County | 56.6°F | -1.7°F | 16 | 58.3°F |
| Sonoma County | 52.7°F | -1.1°F | 32 | 53.8°F |
| Stanislaus County | 56.5°F | -1.9°F | 17 | 58.5°F |
| Sutter County | 57.9°F | -2.4°F | 10 | 60.3°F |
| Tehama County | 50.7°F | -3.8°F | 3 | 54.6°F |
| Trinity County | 45.8°F | -2.3°F | 15 | 48.1°F |
| Tulare County | 46.8°F | -3.1°F | 6 | 49.9°F |
| Tuolumne County | 41.6°F | -4.0°F | 5 | 45.6°F |
| Ventura County | 51.1°F | -1.0°F | 36 | 52.1°F |
| Yolo County | 56.7°F | -2.4°F | 8 | 59.1°F |
| Yuba County | 54.0°F | -3.4°F | 4 | 57.4°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published March 2025, retrieved on April 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
