NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1997
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Montana (Hover over a County)
TempAverage Temperature: 39.6°F
Rank: 50th Coldest
Anomaly: -0.5°F
Mean: 40.1°F
County | Value | Rank 131 Years | Anomaly | 1901- |
|---|---|---|---|---|
| Beaverhead County | 35.3°F | 79 | 0.6°F | 34.7°F |
| Big Horn County | 42.1°F | 51 | -0.6°F | 42.7°F |
| Blaine County | 40.6°F | 57 | -0.3°F | 40.9°F |
| Broadwater County | 40.4°F | 61 | 0.1°F | 40.3°F |
| Carbon County | 39.5°F | 56 | 0.0°F | 39.5°F |
| Carter County | 40.1°F | 30 | -1.6°F | 41.7°F |
| Cascade County | 40.2°F | 51 | -0.3°F | 40.5°F |
| Chouteau County | 42.0°F | 57 | -0.1°F | 42.1°F |
| Custer County | 42.5°F | 45 | -0.8°F | 43.3°F |
| Daniels County | 37.0°F | 45 | -1.4°F | 38.4°F |
| Dawson County | 40.6°F | 40 | -1.3°F | 41.9°F |
| Deer Lodge County | 35.2°F | 71 | 0.3°F | 34.9°F |
| Fallon County | 40.2°F | 36 | -1.5°F | 41.7°F |
| Fergus County | 41.0°F | 45 | -0.6°F | 41.7°F |
| Flathead County | 36.7°F | 37 | -1.0°F | 37.7°F |
| Gallatin County | 37.0°F | 70 | 0.2°F | 36.8°F |
| Garfield County | 42.1°F | 57 | -0.3°F | 42.3°F |
| Glacier County | 35.6°F | 40 | -0.9°F | 36.5°F |
| Golden Valley County | 41.3°F | 51 | -0.5°F | 41.9°F |
| Granite County | 36.2°F | 60 | -0.1°F | 36.3°F |
| Hill County | 40.0°F | 54 | -0.4°F | 40.4°F |
| Jefferson County | 37.7°F | 62 | 0.0°F | 37.7°F |
| Judith Basin County | 38.1°F | 48 | -0.5°F | 38.6°F |
| Lake County | 40.9°F | 43 | -0.7°F | 41.6°F |
| Lewis and Clark County | 37.7°F | 50 | -0.3°F | 38.0°F |
| Liberty County | 39.5°F | 52 | -0.5°F | 40.1°F |
| Lincoln County | 39.0°F | 43 | -0.7°F | 39.7°F |
| McCone County | 41.0°F | 50 | -0.6°F | 41.6°F |
| Madison County | 36.8°F | 74 | 0.3°F | 36.5°F |
| Meagher County | 36.2°F | 49 | -0.3°F | 36.5°F |
| Mineral County | 39.4°F | 51 | -0.5°F | 39.8°F |
| Missoula County | 38.5°F | 44 | -0.7°F | 39.2°F |
| Musselshell County | 42.9°F | 52 | -0.5°F | 43.4°F |
| Park County | 35.5°F | 57 | -0.1°F | 35.6°F |
| Petroleum County | 43.5°F | 55 | -0.4°F | 43.9°F |
| Phillips County | 41.3°F | 56 | -0.7°F | 41.9°F |
| Pondera County | 38.5°F | 43 | -0.6°F | 39.1°F |
| Powder River County | 42.1°F | 40 | -1.0°F | 43.2°F |
| Powell County | 36.5°F | 52 | -0.3°F | 36.8°F |
| Prairie County | 41.5°F | 43 | -0.9°F | 42.4°F |
| Ravalli County | 37.9°F | 59 | -0.1°F | 38.0°F |
| Richland County | 40.1°F | 41 | -1.4°F | 41.5°F |
| Roosevelt County | 39.2°F | 44 | -1.3°F | 40.5°F |
| Rosebud County | 42.9°F | 57 | -0.3°F | 43.2°F |
| Sanders County | 40.6°F | 51 | -0.5°F | 41.1°F |
| Sheridan County | 37.5°F | 40 | -1.6°F | 39.1°F |
| Silver Bow County | 36.7°F | 77 | 0.5°F | 36.2°F |
| Stillwater County | 40.7°F | 58 | 0.0°F | 40.7°F |
| Sweet Grass County | 39.1°F | 58 | -0.1°F | 39.2°F |
| Teton County | 38.5°F | 48 | -0.4°F | 38.9°F |
| Toole County | 39.2°F | 46 | -0.8°F | 40.0°F |
| Treasure County | 43.5°F | 54 | -0.4°F | 43.9°F |
| Valley County | 39.4°F | 51 | -0.9°F | 40.3°F |
| Wheatland County | 39.2°F | 47 | -0.5°F | 39.8°F |
| Wibaux County | 40.3°F | 35 | -1.5°F | 41.8°F |
| Yellowstone County | 43.6°F | 49 | -0.6°F | 44.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on July 19, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
