NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1926
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Idaho (Hover over a County)
Temp
Average Temperature
:
44.3°F
Anomaly:
3.3°F
Rank:
10th Warmest
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 | 53.1°F | 3.1°F | 123 | 50.0°F |
| Adams County | 44.2°F | 3.4°F | 121 | 40.8°F |
| Bannock County | 45.7°F | 3.5°F | 122 | 42.2°F |
| Bear Lake County | 40.9°F | 3.7°F | 120 | 37.2°F |
| Benewah County | 47.2°F | 3.7°F | 125 | 43.5°F |
| Bingham County | 45.9°F | 3.4°F | 123 | 42.5°F |
| Blaine County | 43.0°F | 3.6°F | 121 | 39.4°F |
| Boise County | 44.1°F | 3.6°F | 122 | 40.5°F |
| Bonner County | 44.9°F | 3.1°F | 121 | 41.8°F |
| Bonneville County | 42.2°F | 3.0°F | 115 | 39.3°F |
| Boundary County | 42.7°F | 3.4°F | 123 | 39.3°F |
| Butte County | 43.1°F | 3.6°F | 119 | 39.5°F |
| Camas County | 41.6°F | 3.6°F | 121 | 38.1°F |
| Canyon County | 54.1°F | 2.9°F | 123 | 51.2°F |
| Caribou County | 42.2°F | 3.5°F | 121 | 38.7°F |
| Cassia County | 46.5°F | 3.5°F | 122 | 43.0°F |
| Clark County | 40.4°F | 3.0°F | 116 | 37.4°F |
| Clearwater County | 44.8°F | 3.3°F | 125 | 41.5°F |
| Custer County | 38.5°F | 3.4°F | 120 | 35.1°F |
| Elmore County | 47.7°F | 3.4°F | 122 | 44.3°F |
| Franklin County | 44.5°F | 3.4°F | 120 | 41.1°F |
| Fremont County | 40.1°F | 3.1°F | 117 | 37.0°F |
| Gem County | 50.7°F | 3.3°F | 124 | 47.4°F |
| Gooding County | 50.0°F | 3.6°F | 122 | 46.4°F |
| Idaho County | 42.1°F | 3.0°F | 120 | 39.1°F |
| Jefferson County | 44.9°F | 3.0°F | 112 | 41.9°F |
| Jerome County | 50.2°F | 3.8°F | 124 | 46.5°F |
| Kootenai County | 46.9°F | 3.5°F | 123 | 43.5°F |
| Latah County | 47.6°F | 3.4°F | 125 | 44.2°F |
| Lemhi County | 39.1°F | 2.5°F | 113 | 36.6°F |
| Lewis County | 46.4°F | 3.1°F | 124 | 43.3°F |
| Lincoln County | 47.8°F | 3.6°F | 121 | 44.2°F |
| Madison County | 43.0°F | 2.8°F | 111 | 40.2°F |
| Minidoka County | 47.6°F | 3.4°F | 119 | 44.2°F |
| Nez Perce County | 50.0°F | 3.2°F | 124 | 46.8°F |
| Oneida County | 45.8°F | 2.9°F | 116 | 42.9°F |
| Owyhee County | 48.1°F | 3.5°F | 126 | 44.6°F |
| Payette County | 53.2°F | 2.9°F | 123 | 50.2°F |
| Power County | 46.6°F | 3.4°F | 124 | 43.2°F |
| Shoshone County | 43.6°F | 3.4°F | 123 | 40.2°F |
| Teton County | 39.6°F | 2.9°F | 112 | 36.7°F |
| Twin Falls County | 48.9°F | 3.9°F | 128 | 45.0°F |
| Valley County | 39.6°F | 3.4°F | 121 | 36.2°F |
| Washington County | 49.0°F | 3.1°F | 124 | 45.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
