NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1989
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 | 51.4°F | 1.4°F | 100 | 50.0°F |
| Adams County | 42.0°F | 1.2°F | 94 | 40.8°F |
| Bannock County | 44.1°F | 1.9°F | 101 | 42.2°F |
| Bear Lake County | 41.1°F | 3.9°F | 122 | 37.2°F |
| Benewah County | 44.1°F | 0.6°F | 81 | 43.5°F |
| Bingham County | 44.0°F | 1.5°F | 96 | 42.5°F |
| Blaine County | 40.9°F | 1.4°F | 93 | 39.4°F |
| Boise County | 41.9°F | 1.4°F | 96 | 40.5°F |
| Bonner County | 41.5°F | -0.3°F | 52 | 41.8°F |
| Bonneville County | 41.2°F | 1.9°F | 101 | 39.3°F |
| Boundary County | 39.0°F | -0.3°F | 54 | 39.3°F |
| Butte County | 40.7°F | 1.1°F | 90 | 39.5°F |
| Camas County | 39.3°F | 1.2°F | 89 | 38.1°F |
| Canyon County | 52.1°F | 0.9°F | 87 | 51.2°F |
| Caribou County | 41.5°F | 2.8°F | 111 | 38.7°F |
| Cassia County | 45.2°F | 2.2°F | 107 | 43.0°F |
| Clark County | 39.0°F | 1.6°F | 91 | 37.4°F |
| Clearwater County | 41.8°F | 0.3°F | 74 | 41.5°F |
| Custer County | 36.9°F | 1.8°F | 99 | 35.1°F |
| Elmore County | 45.5°F | 1.2°F | 92 | 44.3°F |
| Franklin County | 43.8°F | 2.7°F | 107 | 41.1°F |
| Fremont County | 38.4°F | 1.5°F | 90 | 37.0°F |
| Gem County | 48.3°F | 0.9°F | 87 | 47.4°F |
| Gooding County | 47.5°F | 1.1°F | 91 | 46.4°F |
| Idaho County | 39.8°F | 0.7°F | 80 | 39.1°F |
| Jefferson County | 43.4°F | 1.5°F | 93 | 41.9°F |
| Jerome County | 47.9°F | 1.4°F | 92 | 46.5°F |
| Kootenai County | 43.6°F | 0.1°F | 69 | 43.5°F |
| Latah County | 44.9°F | 0.7°F | 81 | 44.2°F |
| Lemhi County | 37.7°F | 1.1°F | 89 | 36.6°F |
| Lewis County | 44.0°F | 0.7°F | 81 | 43.3°F |
| Lincoln County | 45.6°F | 1.4°F | 93 | 44.2°F |
| Madison County | 41.7°F | 1.5°F | 96 | 40.2°F |
| Minidoka County | 46.0°F | 1.8°F | 99 | 44.2°F |
| Nez Perce County | 47.8°F | 1.0°F | 91 | 46.8°F |
| Oneida County | 45.0°F | 2.1°F | 104 | 42.9°F |
| Owyhee County | 46.4°F | 1.7°F | 102 | 44.6°F |
| Payette County | 50.6°F | 0.4°F | 71 | 50.2°F |
| Power County | 45.0°F | 1.9°F | 104 | 43.2°F |
| Shoshone County | 40.2°F | 0.0°F | 63 | 40.2°F |
| Teton County | 38.3°F | 1.6°F | 96 | 36.7°F |
| Twin Falls County | 46.7°F | 1.7°F | 103 | 45.0°F |
| Valley County | 38.0°F | 1.8°F | 101 | 36.2°F |
| Washington County | 46.5°F | 0.6°F | 78 | 45.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 4, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
