NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1973
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 131 Years | 1901- |
|---|---|---|---|---|
| Ada County | 50.4°F | 0.4°F | 74 | 50.0°F |
| Adams County | 41.6°F | 0.8°F | 83 | 40.8°F |
| Bannock County | 40.8°F | -1.5°F | 28 | 42.2°F |
| Bear Lake County | 35.1°F | -2.1°F | 19 | 37.2°F |
| Benewah County | 44.0°F | 0.5°F | 78 | 43.5°F |
| Bingham County | 40.9°F | -1.6°F | 27 | 42.5°F |
| Blaine County | 38.5°F | -1.0°F | 44 | 39.4°F |
| Boise County | 40.6°F | 0.1°F | 64 | 40.5°F |
| Bonner County | 42.1°F | 0.3°F | 72 | 41.8°F |
| Bonneville County | 37.2°F | -2.1°F | 19 | 39.3°F |
| Boundary County | 39.6°F | 0.4°F | 73 | 39.3°F |
| Butte County | 38.1°F | -1.5°F | 34 | 39.5°F |
| Camas County | 37.5°F | -0.6°F | 48 | 38.1°F |
| Canyon County | 51.6°F | 0.4°F | 76 | 51.2°F |
| Caribou County | 36.8°F | -2.0°F | 22 | 38.7°F |
| Cassia County | 42.3°F | -0.7°F | 47 | 43.0°F |
| Clark County | 35.7°F | -1.7°F | 29 | 37.4°F |
| Clearwater County | 42.1°F | 0.6°F | 80 | 41.5°F |
| Custer County | 34.5°F | -0.5°F | 50 | 35.1°F |
| Elmore County | 44.2°F | 0.0°F | 58 | 44.3°F |
| Franklin County | 39.1°F | -2.0°F | 19 | 41.1°F |
| Fremont County | 34.7°F | -2.3°F | 18 | 37.0°F |
| Gem County | 47.8°F | 0.4°F | 72 | 47.4°F |
| Gooding County | 46.0°F | -0.4°F | 53 | 46.4°F |
| Idaho County | 39.5°F | 0.4°F | 72 | 39.1°F |
| Jefferson County | 39.7°F | -2.2°F | 17 | 41.9°F |
| Jerome County | 46.2°F | -0.3°F | 58 | 46.5°F |
| Kootenai County | 44.0°F | 0.5°F | 80 | 43.5°F |
| Latah County | 44.7°F | 0.5°F | 74 | 44.2°F |
| Lemhi County | 36.3°F | -0.3°F | 57 | 36.6°F |
| Lewis County | 43.8°F | 0.5°F | 75 | 43.3°F |
| Lincoln County | 43.8°F | -0.4°F | 57 | 44.2°F |
| Madison County | 37.7°F | -2.5°F | 15 | 40.2°F |
| Minidoka County | 43.6°F | -0.5°F | 51 | 44.2°F |
| Nez Perce County | 47.5°F | 0.7°F | 80 | 46.8°F |
| Oneida County | 41.2°F | -1.7°F | 27 | 42.9°F |
| Owyhee County | 44.5°F | -0.2°F | 57 | 44.6°F |
| Payette County | 51.0°F | 0.7°F | 86 | 50.2°F |
| Power County | 41.6°F | -1.6°F | 28 | 43.2°F |
| Shoshone County | 40.7°F | 0.5°F | 80 | 40.2°F |
| Teton County | 34.4°F | -2.3°F | 18 | 36.7°F |
| Twin Falls County | 44.3°F | -0.7°F | 48 | 45.0°F |
| Valley County | 36.5°F | 0.3°F | 76 | 36.2°F |
| Washington County | 46.8°F | 0.9°F | 88 | 45.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 21, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
