NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1990
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Idaho (Hover over a County)
Temp
Average Temperature
:
30.1°F
Anomaly:
-3.1°F
Rank:
8th Coldest
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 | 36.9°F | -3.8°F | 6 | 40.7°F |
| Adams County | 30.2°F | -3.5°F | 8 | 33.8°F |
| Bannock County | 31.1°F | -3.0°F | 12 | 34.1°F |
| Bear Lake County | 27.3°F | -2.6°F | 17 | 30.0°F |
| Benewah County | 33.9°F | -2.3°F | 15 | 36.2°F |
| Bingham County | 30.2°F | -2.8°F | 12 | 33.0°F |
| Blaine County | 28.3°F | -3.2°F | 13 | 31.5°F |
| Boise County | 30.0°F | -3.4°F | 9 | 33.3°F |
| Bonner County | 30.4°F | -3.1°F | 7 | 33.5°F |
| Bonneville County | 28.3°F | -2.8°F | 11 | 31.2°F |
| Boundary County | 28.8°F | -2.2°F | 17 | 31.0°F |
| Butte County | 26.4°F | -3.7°F | 8 | 30.1°F |
| Camas County | 28.0°F | -3.2°F | 13 | 31.2°F |
| Canyon County | 37.0°F | -3.6°F | 6 | 40.6°F |
| Caribou County | 28.7°F | -2.7°F | 16 | 31.4°F |
| Cassia County | 33.0°F | -2.6°F | 15 | 35.6°F |
| Clark County | 25.4°F | -3.5°F | 9 | 28.9°F |
| Clearwater County | 30.1°F | -4.2°F | 4 | 34.3°F |
| Custer County | 25.0°F | -3.1°F | 12 | 28.1°F |
| Elmore County | 33.2°F | -3.1°F | 10 | 36.3°F |
| Franklin County | 30.5°F | -2.8°F | 16 | 33.3°F |
| Fremont County | 24.6°F | -4.0°F | 7 | 28.6°F |
| Gem County | 34.7°F | -3.5°F | 6 | 38.2°F |
| Gooding County | 34.7°F | -2.6°F | 16 | 37.3°F |
| Idaho County | 29.2°F | -3.1°F | 9 | 32.4°F |
| Jefferson County | 28.1°F | -3.0°F | 10 | 31.1°F |
| Jerome County | 34.7°F | -2.8°F | 14 | 37.5°F |
| Kootenai County | 33.0°F | -2.7°F | 10 | 35.7°F |
| Latah County | 34.8°F | -2.1°F | 17 | 36.9°F |
| Lemhi County | 25.8°F | -3.1°F | 10 | 28.9°F |
| Lewis County | 34.1°F | -2.3°F | 16 | 36.5°F |
| Lincoln County | 32.0°F | -3.1°F | 12 | 35.1°F |
| Madison County | 28.3°F | -3.2°F | 11 | 31.5°F |
| Minidoka County | 32.0°F | -3.0°F | 11 | 35.0°F |
| Nez Perce County | 37.1°F | -2.0°F | 19 | 39.1°F |
| Oneida County | 31.6°F | -3.3°F | 11 | 34.9°F |
| Owyhee County | 34.3°F | -3.2°F | 8 | 37.5°F |
| Payette County | 36.2°F | -3.4°F | 6 | 39.5°F |
| Power County | 31.5°F | -3.1°F | 10 | 34.6°F |
| Shoshone County | 29.6°F | -3.5°F | 5 | 33.2°F |
| Teton County | 25.9°F | -3.2°F | 9 | 29.1°F |
| Twin Falls County | 34.5°F | -2.9°F | 12 | 37.4°F |
| Valley County | 26.5°F | -3.1°F | 10 | 29.6°F |
| Washington County | 33.8°F | -3.3°F | 9 | 37.1°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
