NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1945
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Montana (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- |
|---|---|---|---|---|
| Beaverhead County | 33.6°F | -1.1°F | 35 | 34.7°F |
| Big Horn County | 41.1°F | -1.5°F | 32 | 42.7°F |
| Blaine County | 39.7°F | -1.2°F | 43 | 40.9°F |
| Broadwater County | 38.7°F | -1.6°F | 30 | 40.3°F |
| Carbon County | 37.3°F | -2.2°F | 23 | 39.5°F |
| Carter County | 40.4°F | -1.3°F | 38 | 41.7°F |
| Cascade County | 39.0°F | -1.5°F | 33 | 40.5°F |
| Chouteau County | 40.8°F | -1.3°F | 38 | 42.1°F |
| Custer County | 42.4°F | -0.9°F | 41 | 43.3°F |
| Daniels County | 37.3°F | -1.1°F | 48 | 38.4°F |
| Dawson County | 41.0°F | -0.9°F | 48 | 41.9°F |
| Deer Lodge County | 33.5°F | -1.4°F | 32 | 34.9°F |
| Fallon County | 41.2°F | -0.5°F | 57 | 41.7°F |
| Fergus County | 40.0°F | -1.6°F | 34 | 41.7°F |
| Flathead County | 35.9°F | -1.8°F | 26 | 37.7°F |
| Gallatin County | 35.3°F | -1.5°F | 27 | 36.8°F |
| Garfield County | 40.9°F | -1.4°F | 37 | 42.3°F |
| Glacier County | 34.6°F | -1.9°F | 28 | 36.5°F |
| Golden Valley County | 39.9°F | -2.0°F | 28 | 41.9°F |
| Granite County | 35.0°F | -1.3°F | 31 | 36.3°F |
| Hill County | 39.3°F | -1.2°F | 44 | 40.4°F |
| Jefferson County | 36.4°F | -1.3°F | 32 | 37.7°F |
| Judith Basin County | 36.6°F | -2.1°F | 25 | 38.6°F |
| Lake County | 40.3°F | -1.2°F | 31 | 41.6°F |
| Lewis and Clark County | 36.4°F | -1.7°F | 30 | 38.0°F |
| Liberty County | 38.8°F | -1.3°F | 37 | 40.1°F |
| Lincoln County | 38.5°F | -1.2°F | 33 | 39.7°F |
| McCone County | 40.7°F | -1.0°F | 46 | 41.6°F |
| Madison County | 35.2°F | -1.3°F | 34 | 36.5°F |
| Meagher County | 34.5°F | -2.0°F | 25 | 36.5°F |
| Mineral County | 39.1°F | -0.7°F | 44 | 39.8°F |
| Missoula County | 38.0°F | -1.2°F | 33 | 39.2°F |
| Musselshell County | 42.1°F | -1.3°F | 37 | 43.4°F |
| Park County | 34.0°F | -1.6°F | 28 | 35.6°F |
| Petroleum County | 42.3°F | -1.6°F | 33 | 43.9°F |
| Phillips County | 41.0°F | -1.0°F | 47 | 41.9°F |
| Pondera County | 37.4°F | -1.8°F | 31 | 39.1°F |
| Powder River County | 41.7°F | -1.5°F | 33 | 43.2°F |
| Powell County | 35.1°F | -1.7°F | 25 | 36.8°F |
| Prairie County | 41.7°F | -0.7°F | 52 | 42.4°F |
| Ravalli County | 37.0°F | -1.0°F | 37 | 38.0°F |
| Richland County | 40.4°F | -1.1°F | 47 | 41.5°F |
| Roosevelt County | 39.4°F | -1.1°F | 47 | 40.5°F |
| Rosebud County | 41.9°F | -1.4°F | 38 | 43.2°F |
| Sanders County | 40.1°F | -1.0°F | 40 | 41.1°F |
| Sheridan County | 38.2°F | -1.0°F | 50 | 39.1°F |
| Silver Bow County | 35.0°F | -1.2°F | 34 | 36.2°F |
| Stillwater County | 38.4°F | -2.3°F | 23 | 40.7°F |
| Sweet Grass County | 37.2°F | -2.0°F | 25 | 39.2°F |
| Teton County | 37.1°F | -1.8°F | 29 | 38.9°F |
| Toole County | 38.4°F | -1.6°F | 32 | 40.0°F |
| Treasure County | 42.7°F | -1.2°F | 40 | 43.9°F |
| Valley County | 39.3°F | -1.1°F | 48 | 40.3°F |
| Wheatland County | 37.5°F | -2.2°F | 25 | 39.8°F |
| Wibaux County | 41.2°F | -0.6°F | 53 | 41.8°F |
| Yellowstone County | 42.8°F | -1.4°F | 37 | 44.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 14, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
