NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1946
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Idaho (Hover over a County)
Temp
Average Temperature
:
42.6°F
Anomaly:
1.7°F
Rank:
31st 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 | 51.6°F | 1.6°F | 107 | 50.0°F |
| Adams County | 42.3°F | 1.5°F | 100 | 40.8°F |
| Bannock County | 44.1°F | 1.9°F | 101 | 42.2°F |
| Bear Lake County | 38.0°F | 0.8°F | 80 | 37.2°F |
| Benewah County | 44.7°F | 1.2°F | 92 | 43.5°F |
| Bingham County | 44.6°F | 2.1°F | 103 | 42.5°F |
| Blaine County | 41.2°F | 1.8°F | 100 | 39.4°F |
| Boise County | 41.2°F | 0.7°F | 82 | 40.5°F |
| Bonner County | 43.4°F | 1.6°F | 100 | 41.8°F |
| Bonneville County | 41.2°F | 2.0°F | 101 | 39.3°F |
| Boundary County | 40.8°F | 1.6°F | 94 | 39.3°F |
| Butte County | 41.1°F | 1.6°F | 96 | 39.5°F |
| Camas County | 39.4°F | 1.3°F | 91 | 38.1°F |
| Canyon County | 52.7°F | 1.5°F | 105 | 51.2°F |
| Caribou County | 40.3°F | 1.6°F | 95 | 38.7°F |
| Cassia County | 44.4°F | 1.5°F | 96 | 43.0°F |
| Clark County | 39.1°F | 1.8°F | 95 | 37.4°F |
| Clearwater County | 43.3°F | 1.8°F | 105 | 41.5°F |
| Custer County | 36.6°F | 1.5°F | 95 | 35.1°F |
| Elmore County | 45.7°F | 1.4°F | 96 | 44.3°F |
| Franklin County | 42.6°F | 1.5°F | 92 | 41.1°F |
| Fremont County | 39.2°F | 2.2°F | 103 | 37.0°F |
| Gem County | 48.2°F | 0.8°F | 83 | 47.4°F |
| Gooding County | 47.7°F | 1.4°F | 96 | 46.4°F |
| Idaho County | 41.1°F | 2.0°F | 108 | 39.1°F |
| Jefferson County | 43.6°F | 1.7°F | 97 | 41.9°F |
| Jerome County | 48.1°F | 1.7°F | 99 | 46.5°F |
| Kootenai County | 44.8°F | 1.4°F | 97 | 43.5°F |
| Latah County | 45.5°F | 1.3°F | 94 | 44.2°F |
| Lemhi County | 38.5°F | 1.9°F | 102 | 36.6°F |
| Lewis County | 45.0°F | 1.7°F | 104 | 43.3°F |
| Lincoln County | 45.9°F | 1.7°F | 97 | 44.2°F |
| Madison County | 42.3°F | 2.0°F | 101 | 40.2°F |
| Minidoka County | 45.9°F | 1.8°F | 97 | 44.2°F |
| Nez Perce County | 48.2°F | 1.4°F | 99 | 46.8°F |
| Oneida County | 44.7°F | 1.8°F | 98 | 42.9°F |
| Owyhee County | 46.4°F | 1.8°F | 102 | 44.6°F |
| Payette County | 51.3°F | 1.1°F | 93 | 50.2°F |
| Power County | 45.3°F | 2.1°F | 105 | 43.2°F |
| Shoshone County | 41.7°F | 1.5°F | 100 | 40.2°F |
| Teton County | 39.1°F | 2.4°F | 103 | 36.7°F |
| Twin Falls County | 46.5°F | 1.5°F | 101 | 45.0°F |
| Valley County | 37.5°F | 1.3°F | 94 | 36.2°F |
| Washington County | 47.4°F | 1.5°F | 102 | 45.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
