NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1970
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Montana (Hover over a County)
TempAverage Temperature: 37.1°F
Anomaly: -3.0°F
Rank: 18th Coldest
Mean: 40.1°F
County | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Beaverhead County | 31.9°F | -2.8°F | 11 | 34.7°F |
| Big Horn County | 39.3°F | -3.4°F | 13 | 42.7°F |
| Blaine County | 37.9°F | -3.0°F | 23 | 40.9°F |
| Broadwater County | 37.2°F | -3.1°F | 15 | 40.3°F |
| Carbon County | 35.9°F | -3.6°F | 8 | 39.5°F |
| Carter County | 38.4°F | -3.3°F | 15 | 41.7°F |
| Cascade County | 37.6°F | -2.9°F | 20 | 40.5°F |
| Chouteau County | 39.6°F | -2.5°F | 24 | 42.1°F |
| Custer County | 40.1°F | -3.2°F | 20 | 43.3°F |
| Daniels County | 33.9°F | -4.5°F | 17 | 38.4°F |
| Dawson County | 37.9°F | -4.0°F | 15 | 41.9°F |
| Deer Lodge County | 32.3°F | -2.6°F | 15 | 34.9°F |
| Fallon County | 38.6°F | -3.1°F | 21 | 41.7°F |
| Fergus County | 38.6°F | -3.1°F | 18 | 41.7°F |
| Flathead County | 35.8°F | -1.9°F | 25 | 37.7°F |
| Gallatin County | 33.3°F | -3.5°F | 8 | 36.8°F |
| Garfield County | 39.2°F | -3.2°F | 22 | 42.3°F |
| Glacier County | 34.4°F | -2.1°F | 26 | 36.5°F |
| Golden Valley County | 38.6°F | -3.3°F | 16 | 41.9°F |
| Granite County | 33.5°F | -2.8°F | 11 | 36.3°F |
| Hill County | 38.1°F | -2.3°F | 29 | 40.4°F |
| Jefferson County | 35.0°F | -2.7°F | 17 | 37.7°F |
| Judith Basin County | 35.5°F | -3.1°F | 17 | 38.6°F |
| Lake County | 39.4°F | -2.2°F | 19 | 41.6°F |
| Lewis and Clark County | 35.5°F | -2.6°F | 20 | 38.0°F |
| Liberty County | 37.7°F | -2.4°F | 26 | 40.1°F |
| Lincoln County | 38.1°F | -1.6°F | 24 | 39.7°F |
| McCone County | 37.3°F | -4.3°F | 15 | 41.6°F |
| Madison County | 33.5°F | -3.0°F | 10 | 36.5°F |
| Meagher County | 33.3°F | -3.2°F | 15 | 36.5°F |
| Mineral County | 37.6°F | -2.2°F | 14 | 39.8°F |
| Missoula County | 36.5°F | -2.7°F | 12 | 39.2°F |
| Musselshell County | 40.3°F | -3.1°F | 19 | 43.4°F |
| Park County | 32.0°F | -3.6°F | 8 | 35.6°F |
| Petroleum County | 40.8°F | -3.1°F | 17 | 43.9°F |
| Phillips County | 38.3°F | -3.7°F | 19 | 41.9°F |
| Pondera County | 36.8°F | -2.4°F | 24 | 39.1°F |
| Powder River County | 40.2°F | -3.0°F | 17 | 43.2°F |
| Powell County | 34.3°F | -2.5°F | 18 | 36.8°F |
| Prairie County | 38.6°F | -3.8°F | 16 | 42.4°F |
| Ravalli County | 35.5°F | -2.6°F | 11 | 38.0°F |
| Richland County | 37.5°F | -4.0°F | 17 | 41.5°F |
| Roosevelt County | 36.4°F | -4.1°F | 17 | 40.5°F |
| Rosebud County | 40.2°F | -3.1°F | 20 | 43.2°F |
| Sanders County | 38.9°F | -2.1°F | 18 | 41.1°F |
| Sheridan County | 34.8°F | -4.3°F | 16 | 39.1°F |
| Silver Bow County | 33.8°F | -2.4°F | 18 | 36.2°F |
| Stillwater County | 37.1°F | -3.6°F | 13 | 40.7°F |
| Sweet Grass County | 36.0°F | -3.2°F | 15 | 39.2°F |
| Teton County | 36.3°F | -2.5°F | 21 | 38.9°F |
| Toole County | 37.9°F | -2.1°F | 26 | 40.0°F |
| Treasure County | 40.6°F | -3.3°F | 17 | 43.9°F |
| Valley County | 36.4°F | -3.9°F | 19 | 40.3°F |
| Wheatland County | 36.8°F | -3.0°F | 16 | 39.8°F |
| Wibaux County | 38.2°F | -3.6°F | 17 | 41.8°F |
| Yellowstone County | 41.0°F | -3.2°F | 17 | 44.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published April 2025, retrieved on April 18, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
