NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1970
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Idaho (Hover over a County)
Temp
Average Temperature
:
38.5°F
Anomaly:
-2.4°F
Rank:
9th Coldest
Mean:
40.9°F
*Signifies a tie
**Insufficient variability in the data record renders rank insignificant
County
|
Value | Anomaly | Rank 131 Years | 1901- |
|---|---|---|---|---|
| Ada County | 47.4°F | -2.6°F | 10 | 50.0°F |
| Adams County | 38.6°F | -2.2°F | 14 | 40.8°F |
| Bannock County | 39.7°F | -2.5°F | 10 | 42.2°F |
| Bear Lake County | 35.7°F | -1.5°F | 31 | 37.2°F |
| Benewah County | 41.3°F | -2.2°F | 15 | 43.5°F |
| Bingham County | 39.7°F | -2.8°F | 10 | 42.5°F |
| Blaine County | 37.2°F | -2.2°F | 11 | 39.4°F |
| Boise County | 38.0°F | -2.5°F | 12 | 40.5°F |
| Bonner County | 39.9°F | -1.9°F | 20 | 41.8°F |
| Bonneville County | 36.4°F | -2.9°F | 11 | 39.3°F |
| Boundary County | 37.2°F | -2.1°F | 15 | 39.3°F |
| Butte County | 37.2°F | -2.3°F | 14 | 39.5°F |
| Camas County | 35.8°F | -2.2°F | 12 | 38.1°F |
| Canyon County | 48.7°F | -2.5°F | 12 | 51.2°F |
| Caribou County | 36.5°F | -2.3°F | 17 | 38.7°F |
| Cassia County | 40.5°F | -2.5°F | 9 | 43.0°F |
| Clark County | 34.4°F | -2.9°F | 11 | 37.4°F |
| Clearwater County | 39.4°F | -2.1°F | 16 | 41.5°F |
| Custer County | 32.6°F | -2.5°F | 11 | 35.1°F |
| Elmore County | 41.8°F | -2.5°F | 11 | 44.3°F |
| Franklin County | 38.7°F | -2.4°F | 15 | 41.1°F |
| Fremont County | 33.2°F | -3.7°F | 5 | 37.0°F |
| Gem County | 45.4°F | -2.0°F | 17 | 47.4°F |
| Gooding County | 43.9°F | -2.5°F | 9 | 46.4°F |
| Idaho County | 36.8°F | -2.4°F | 11 | 39.1°F |
| Jefferson County | 39.3°F | -2.6°F | 14 | 41.9°F |
| Jerome County | 44.0°F | -2.5°F | 9 | 46.5°F |
| Kootenai County | 41.5°F | -2.0°F | 18 | 43.5°F |
| Latah County | 42.1°F | -2.1°F | 17 | 44.2°F |
| Lemhi County | 34.0°F | -2.5°F | 11 | 36.6°F |
| Lewis County | 41.3°F | -2.0°F | 19 | 43.3°F |
| Lincoln County | 41.8°F | -2.4°F | 10 | 44.2°F |
| Madison County | 37.3°F | -2.9°F | 13 | 40.2°F |
| Minidoka County | 41.7°F | -2.5°F | 9 | 44.2°F |
| Nez Perce County | 44.8°F | -2.0°F | 19 | 46.8°F |
| Oneida County | 40.2°F | -2.7°F | 9 | 42.9°F |
| Owyhee County | 42.0°F | -2.7°F | 10 | 44.6°F |
| Payette County | 47.7°F | -2.5°F | 9 | 50.2°F |
| Power County | 40.6°F | -2.6°F | 9 | 43.2°F |
| Shoshone County | 38.3°F | -1.8°F | 23 | 40.2°F |
| Teton County | 33.5°F | -3.2°F | 10 | 36.7°F |
| Twin Falls County | 42.4°F | -2.6°F | 9 | 45.0°F |
| Valley County | 33.7°F | -2.5°F | 12 | 36.2°F |
| Washington County | 43.6°F | -2.3°F | 12 | 45.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
