NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 2019
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Idaho (Hover over a County)
TempAverage Temperature: 41.7°F
Rank: 50th Warmest
Anomaly: 0.8°F
Mean: 40.9°F
County | Value | Rank 131 Years | Anomaly | 1901- |
|---|---|---|---|---|
| Ada County | 50.5°F | 76 | 0.5°F | 50.0°F |
| Adams County | 41.1°F | 71 | 0.3°F | 40.8°F |
| Bannock County | 43.1°F | 85 | 0.9°F | 42.2°F |
| Bear Lake County | 37.6°F | 75 | 0.4°F | 37.2°F |
| Benewah County | 44.3°F | 85 | 0.8°F | 43.5°F |
| Bingham County | 43.2°F | 84 | 0.7°F | 42.5°F |
| Blaine County | 39.9°F | 76 | 0.5°F | 39.4°F |
| Boise County | 41.7°F | 91 | 1.1°F | 40.5°F |
| Bonner County | 42.9°F | 90 | 1.1°F | 41.8°F |
| Bonneville County | 39.9°F | 76 | 0.6°F | 39.3°F |
| Boundary County | 40.4°F | 91 | 1.1°F | 39.3°F |
| Butte County | 40.1°F | 74 | 0.6°F | 39.5°F |
| Camas County | 39.4°F | 91 | 1.3°F | 38.1°F |
| Canyon County | 51.6°F | 76 | 0.4°F | 51.2°F |
| Caribou County | 39.3°F | 78 | 0.5°F | 38.7°F |
| Cassia County | 43.4°F | 73 | 0.4°F | 43.0°F |
| Clark County | 38.2°F | 78 | 0.8°F | 37.4°F |
| Clearwater County | 42.8°F | 94 | 1.3°F | 41.5°F |
| Custer County | 36.1°F | 86 | 1.1°F | 35.1°F |
| Elmore County | 45.8°F | 97 | 1.5°F | 44.3°F |
| Franklin County | 42.1°F | 84 | 1.0°F | 41.1°F |
| Fremont County | 38.1°F | 87 | 1.1°F | 37.0°F |
| Gem County | 47.8°F | 72 | 0.4°F | 47.4°F |
| Gooding County | 47.6°F | 93 | 1.2°F | 46.4°F |
| Idaho County | 39.9°F | 81 | 0.7°F | 39.1°F |
| Jefferson County | 43.1°F | 87 | 1.2°F | 41.9°F |
| Jerome County | 47.8°F | 89 | 1.3°F | 46.5°F |
| Kootenai County | 43.9°F | 79 | 0.5°F | 43.5°F |
| Latah County | 44.3°F | 62 | 0.1°F | 44.2°F |
| Lemhi County | 37.4°F | 84 | 0.9°F | 36.6°F |
| Lewis County | 43.0°F | 59 | -0.3°F | 43.3°F |
| Lincoln County | 45.6°F | 93 | 1.4°F | 44.2°F |
| Madison County | 41.4°F | 87 | 1.1°F | 40.2°F |
| Minidoka County | 44.9°F | 79 | 0.7°F | 44.2°F |
| Nez Perce County | 46.7°F | 60 | -0.1°F | 46.8°F |
| Oneida County | 42.8°F | 59 | -0.1°F | 42.9°F |
| Owyhee County | 45.0°F | 75 | 0.3°F | 44.6°F |
| Payette County | 50.9°F | 80 | 0.7°F | 50.2°F |
| Power County | 43.3°F | 71 | 0.2°F | 43.2°F |
| Shoshone County | 41.4°F | 89 | 1.3°F | 40.2°F |
| Teton County | 38.0°F | 90 | 1.3°F | 36.7°F |
| Twin Falls County | 44.7°F | 62 | -0.3°F | 45.0°F |
| Valley County | 37.5°F | 94 | 1.3°F | 36.2°F |
| Washington County | 46.1°F | 70 | 0.2°F | 45.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published June 2025, retrieved on July 7, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
