NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1923
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Idaho (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- |
|---|---|---|---|---|
| Ada County | 40.0°F | -0.7°F | 39 | 40.7°F |
| Adams County | 34.0°F | 0.2°F | 69 | 33.8°F |
| Bannock County | 33.0°F | -1.1°F | 34 | 34.1°F |
| Bear Lake County | 29.6°F | -0.3°F | 50 | 30.0°F |
| Benewah County | 37.1°F | 0.9°F | 80 | 36.2°F |
| Bingham County | 32.0°F | -1.1°F | 40 | 33.0°F |
| Blaine County | 30.9°F | -0.7°F | 42 | 31.5°F |
| Boise County | 33.8°F | 0.5°F | 70 | 33.3°F |
| Bonner County | 34.9°F | 1.5°F | 98 | 33.5°F |
| Bonneville County | 30.3°F | -0.8°F | 38 | 31.2°F |
| Boundary County | 32.2°F | 1.2°F | 89 | 31.0°F |
| Butte County | 29.0°F | -1.1°F | 36 | 30.1°F |
| Camas County | 30.5°F | -0.7°F | 37 | 31.2°F |
| Canyon County | 40.0°F | -0.6°F | 40 | 40.6°F |
| Caribou County | 30.3°F | -1.1°F | 37 | 31.4°F |
| Cassia County | 34.4°F | -1.2°F | 34 | 35.6°F |
| Clark County | 28.3°F | -0.6°F | 44 | 28.9°F |
| Clearwater County | 35.3°F | 1.0°F | 87 | 34.3°F |
| Custer County | 27.0°F | -1.1°F | 34 | 28.1°F |
| Elmore County | 36.0°F | -0.3°F | 43 | 36.3°F |
| Franklin County | 32.4°F | -0.8°F | 36 | 33.3°F |
| Fremont County | 27.8°F | -0.8°F | 43 | 28.6°F |
| Gem County | 37.8°F | -0.4°F | 45 | 38.2°F |
| Gooding County | 36.5°F | -0.9°F | 36 | 37.3°F |
| Idaho County | 32.5°F | 0.1°F | 55 | 32.4°F |
| Jefferson County | 30.6°F | -0.5°F | 46 | 31.1°F |
| Jerome County | 36.1°F | -1.4°F | 30 | 37.5°F |
| Kootenai County | 36.8°F | 1.0°F | 86 | 35.7°F |
| Latah County | 38.0°F | 1.1°F | 90 | 36.9°F |
| Lemhi County | 28.0°F | -0.9°F | 35 | 28.9°F |
| Lewis County | 37.4°F | 0.9°F | 91 | 36.5°F |
| Lincoln County | 34.4°F | -0.7°F | 39 | 35.1°F |
| Madison County | 31.2°F | -0.3°F | 51 | 31.5°F |
| Minidoka County | 34.1°F | -0.9°F | 38 | 35.0°F |
| Nez Perce County | 40.1°F | 0.9°F | 90 | 39.1°F |
| Oneida County | 33.9°F | -1.0°F | 38 | 34.9°F |
| Owyhee County | 36.6°F | -0.9°F | 38 | 37.5°F |
| Payette County | 39.2°F | -0.4°F | 47 | 39.5°F |
| Power County | 33.7°F | -0.9°F | 37 | 34.6°F |
| Shoshone County | 34.0°F | 0.8°F | 77 | 33.2°F |
| Teton County | 28.4°F | -0.7°F | 46 | 29.1°F |
| Twin Falls County | 36.3°F | -1.1°F | 35 | 37.4°F |
| Valley County | 29.5°F | -0.1°F | 53 | 29.6°F |
| Washington County | 36.7°F | -0.4°F | 47 | 37.1°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 25, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
