County Mapping
County Average Temperature
October - December 1925
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
California (Hover over a County)
Temp
Average Temperature
:
49.9°F
Anomaly:
-0.8°F
Rank:
34th Coldest
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 | 53.2°F | -0.7°F | 35 | 53.9°F |
Alpine County | 37.3°F | -0.4°F | 52 | 37.7°F |
Amador County | 51.5°F | 0.2°F | 72 | 51.3°F |
Butte County | 50.6°F | -1.4°F | 25 | 52.0°F |
Calaveras County | 51.6°F | 0.1°F | 61 | 51.5°F |
Colusa County | 52.4°F | -0.8°F | 31 | 53.2°F |
Contra Costa County | 53.0°F | -1.2°F | 28 | 54.1°F |
Del Norte County | 45.2°F | -0.8°F | 36 | 46.0°F |
El Dorado County | 47.8°F | 0.1°F | 71 | 47.7°F |
Fresno County | 47.5°F | -0.2°F | 52 | 47.8°F |
Glenn County | 51.2°F | -0.9°F | 29 | 52.1°F |
Humboldt County | 46.9°F | -1.3°F | 20 | 48.2°F |
Imperial County | 61.7°F | -1.8°F | 19 | 63.5°F |
Inyo County | 50.1°F | -0.5°F | 43 | 50.6°F |
Kern County | 51.9°F | -1.1°F | 26 | 53.0°F |
Kings County | 53.2°F | -1.3°F | 24 | 54.5°F |
Lake County | 50.0°F | -0.5°F | 40 | 50.4°F |
Lassen County | 38.6°F | 0.1°F | 59 | 38.5°F |
Los Angeles County | 55.3°F | 0.0°F | 55 | 55.2°F |
Madera County | 48.3°F | -0.1°F | 53 | 48.4°F |
Marin County | 52.4°F | -0.8°F | 35 | 53.2°F |
Mariposa County | 48.0°F | -0.2°F | 49 | 48.2°F |
Mendocino County | 50.2°F | -0.2°F | 46 | 50.4°F |
Merced County | 53.1°F | -0.8°F | 37 | 53.9°F |
Modoc County | 37.6°F | -0.4°F | 48 | 38.0°F |
Mono County | 36.1°F | -0.4°F | 49 | 36.5°F |
Monterey County | 53.9°F | 0.4°F | 74 | 53.5°F |
Napa County | 52.1°F | -1.0°F | 30 | 53.1°F |
Nevada County | 46.1°F | 0.1°F | 75 | 46.0°F |
Orange County | 60.2°F | 0.0°F | 52 | 60.2°F |
Placer County | 47.4°F | 0.2°F | 74 | 47.2°F |
Plumas County | 40.0°F | -0.2°F | 52 | 40.3°F |
Riverside County | 57.8°F | -1.6°F | 17 | 59.4°F |
Sacramento County | 54.2°F | -0.5°F | 42 | 54.7°F |
San Benito County | 52.8°F | 0.3°F | 69 | 52.5°F |
San Bernardino County | 54.5°F | -1.6°F | 23 | 56.1°F |
San Diego County | 55.2°F | -1.7°F | 17 | 56.9°F |
San Francisco County | 53.6°F | -0.7°F | 33 | 54.3°F |
San Joaquin County | 53.7°F | -0.6°F | 40 | 54.3°F |
San Luis Obispo County | 53.8°F | 0.2°F | 59 | 53.6°F |
San Mateo County | 53.2°F | -0.4°F | 40 | 53.6°F |
Santa Barbara County | 53.7°F | -0.1°F | 54 | 53.8°F |
Santa Clara County | 52.5°F | -0.4°F | 41 | 52.9°F |
Santa Cruz County | 53.2°F | -0.2°F | 46 | 53.4°F |
Shasta County | 46.9°F | -0.4°F | 46 | 47.4°F |
Sierra County | 40.1°F | -0.4°F | 51 | 40.4°F |
Siskiyou County | 40.1°F | -1.0°F | 37 | 41.0°F |
Solano County | 53.2°F | -1.1°F | 28 | 54.2°F |
Sonoma County | 52.2°F | -0.7°F | 35 | 52.8°F |
Stanislaus County | 52.4°F | -1.3°F | 25 | 53.7°F |
Sutter County | 54.0°F | -0.7°F | 35 | 54.7°F |
Tehama County | 49.9°F | -1.1°F | 30 | 51.0°F |
Trinity County | 43.1°F | -1.8°F | 13 | 44.9°F |
Tulare County | 45.0°F | -1.5°F | 23 | 46.5°F |
Tuolumne County | 43.7°F | -0.3°F | 56 | 44.0°F |
Ventura County | 52.3°F | -0.3°F | 45 | 52.6°F |
Yolo County | 53.4°F | -0.9°F | 31 | 54.3°F |
Yuba County | 53.0°F | -0.2°F | 51 | 53.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 30, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping