NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1921
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Idaho (Hover over a County)
Temp
Average Temperature
:
35.5°F
Anomaly:
2.2°F
Rank:
19th Warmest
Mean:
33.2°F
*Signifies a tie
**Insufficient variability in the data record renders rank insignificant
County
|
Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Ada County | 43.1°F | 2.3°F | 113 | 40.7°F |
| Adams County | 36.6°F | 2.8°F | 122 | 33.8°F |
| Bannock County | 37.9°F | 3.9°F | 123 | 34.1°F |
| Bear Lake County | 33.4°F | 3.4°F | 121 | 30.0°F |
| Benewah County | 35.7°F | -0.4°F | 45 | 36.2°F |
| Bingham County | 36.7°F | 3.7°F | 123 | 33.0°F |
| Blaine County | 34.5°F | 3.0°F | 115 | 31.5°F |
| Boise County | 35.5°F | 2.2°F | 113 | 33.3°F |
| Bonner County | 32.7°F | -0.8°F | 38 | 33.5°F |
| Bonneville County | 35.1°F | 3.9°F | 124 | 31.2°F |
| Boundary County | 30.3°F | -0.7°F | 41 | 31.0°F |
| Butte County | 33.7°F | 3.6°F | 123 | 30.1°F |
| Camas County | 33.6°F | 2.4°F | 109 | 31.2°F |
| Canyon County | 43.4°F | 2.8°F | 122 | 40.6°F |
| Caribou County | 34.9°F | 3.5°F | 122 | 31.4°F |
| Cassia County | 38.5°F | 2.8°F | 116 | 35.6°F |
| Clark County | 32.4°F | 3.5°F | 119 | 28.9°F |
| Clearwater County | 34.8°F | 0.5°F | 72 | 34.3°F |
| Custer County | 30.7°F | 2.6°F | 112 | 28.1°F |
| Elmore County | 38.6°F | 2.3°F | 109 | 36.3°F |
| Franklin County | 37.0°F | 3.8°F | 122 | 33.3°F |
| Fremont County | 32.5°F | 3.9°F | 118 | 28.6°F |
| Gem County | 40.5°F | 2.2°F | 110 | 38.2°F |
| Gooding County | 39.5°F | 2.2°F | 106 | 37.3°F |
| Idaho County | 33.9°F | 1.6°F | 99 | 32.4°F |
| Jefferson County | 34.9°F | 3.8°F | 121 | 31.1°F |
| Jerome County | 39.8°F | 2.3°F | 109 | 37.5°F |
| Kootenai County | 34.9°F | -0.8°F | 37 | 35.7°F |
| Latah County | 37.1°F | 0.2°F | 62 | 36.9°F |
| Lemhi County | 30.9°F | 2.0°F | 107 | 28.9°F |
| Lewis County | 37.4°F | 0.9°F | 91 | 36.5°F |
| Lincoln County | 37.7°F | 2.6°F | 110 | 35.1°F |
| Madison County | 35.4°F | 3.9°F | 120 | 31.5°F |
| Minidoka County | 37.7°F | 2.7°F | 111 | 35.0°F |
| Nez Perce County | 39.8°F | 0.6°F | 84 | 39.1°F |
| Oneida County | 39.0°F | 4.1°F | 122 | 34.9°F |
| Owyhee County | 40.0°F | 2.5°F | 114 | 37.5°F |
| Payette County | 42.0°F | 2.5°F | 112 | 39.5°F |
| Power County | 38.2°F | 3.6°F | 122 | 34.6°F |
| Shoshone County | 32.8°F | -0.4°F | 44 | 33.2°F |
| Teton County | 33.1°F | 4.0°F | 120 | 29.1°F |
| Twin Falls County | 39.6°F | 2.2°F | 110 | 37.4°F |
| Valley County | 32.0°F | 2.4°F | 114 | 29.6°F |
| Washington County | 39.5°F | 2.4°F | 115 | 37.1°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
