NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1905
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Montana (Hover over a County)
Temp
Average Temperature
:
41.3°F
Anomaly:
1.2°F
Rank:
45th Warmest
Mean:
40.1°F
*Signifies a tie
**Insufficient variability in the data record renders rank insignificant
County
|
Value | Anomaly | Rank 131 Years | 1901- |
|---|---|---|---|---|
| Beaverhead County | 35.7°F | 1.0°F | 83 | 34.7°F |
| Big Horn County | 44.2°F | 1.5°F | 94 | 42.7°F |
| Blaine County | 43.8°F | 2.9°F | 105 | 40.9°F |
| Broadwater County | 40.9°F | 0.6°F | 78 | 40.3°F |
| Carbon County | 40.6°F | 1.1°F | 83 | 39.5°F |
| Carter County | 42.3°F | 0.6°F | 79 | 41.7°F |
| Cascade County | 41.8°F | 1.3°F | 90 | 40.5°F |
| Chouteau County | 43.2°F | 1.1°F | 82 | 42.1°F |
| Custer County | 43.7°F | 0.4°F | 72 | 43.3°F |
| Daniels County | 39.2°F | 0.8°F | 73 | 38.4°F |
| Dawson County | 41.2°F | -0.7°F | 53 | 41.9°F |
| Deer Lodge County | 36.0°F | 1.1°F | 86 | 34.9°F |
| Fallon County | 41.4°F | -0.3°F | 62 | 41.7°F |
| Fergus County | 43.9°F | 2.2°F | 100 | 41.7°F |
| Flathead County | 39.0°F | 1.3°F | 88 | 37.7°F |
| Gallatin County | 37.6°F | 0.8°F | 82 | 36.8°F |
| Garfield County | 43.5°F | 1.2°F | 81 | 42.3°F |
| Glacier County | 37.9°F | 1.4°F | 89 | 36.5°F |
| Golden Valley County | 43.6°F | 1.7°F | 94 | 41.9°F |
| Granite County | 37.8°F | 1.5°F | 98 | 36.3°F |
| Hill County | 42.3°F | 1.9°F | 94 | 40.4°F |
| Jefferson County | 38.5°F | 0.7°F | 77 | 37.7°F |
| Judith Basin County | 40.3°F | 1.7°F | 95 | 38.6°F |
| Lake County | 42.9°F | 1.4°F | 91 | 41.6°F |
| Lewis and Clark County | 39.2°F | 1.2°F | 92 | 38.0°F |
| Liberty County | 41.2°F | 1.1°F | 80 | 40.1°F |
| Lincoln County | 41.4°F | 1.7°F | 99 | 39.7°F |
| McCone County | 42.0°F | 0.4°F | 69 | 41.6°F |
| Madison County | 37.6°F | 1.1°F | 87 | 36.5°F |
| Meagher County | 37.5°F | 1.0°F | 83 | 36.5°F |
| Mineral County | 41.5°F | 1.6°F | 104 | 39.8°F |
| Missoula County | 40.9°F | 1.7°F | 101 | 39.2°F |
| Musselshell County | 45.2°F | 1.8°F | 96 | 43.4°F |
| Park County | 36.5°F | 0.9°F | 82 | 35.6°F |
| Petroleum County | 46.2°F | 2.3°F | 102 | 43.9°F |
| Phillips County | 44.5°F | 2.5°F | 102 | 41.9°F |
| Pondera County | 39.7°F | 0.6°F | 71 | 39.1°F |
| Powder River County | 43.8°F | 0.6°F | 80 | 43.2°F |
| Powell County | 38.2°F | 1.4°F | 92 | 36.8°F |
| Prairie County | 42.2°F | -0.2°F | 61 | 42.4°F |
| Ravalli County | 39.7°F | 1.7°F | 104 | 38.0°F |
| Richland County | 41.8°F | 0.3°F | 69 | 41.5°F |
| Roosevelt County | 41.3°F | 0.7°F | 73 | 40.5°F |
| Rosebud County | 44.2°F | 0.9°F | 80 | 43.2°F |
| Sanders County | 42.6°F | 1.5°F | 101 | 41.1°F |
| Sheridan County | 40.1°F | 1.0°F | 71 | 39.1°F |
| Silver Bow County | 37.0°F | 0.8°F | 80 | 36.2°F |
| Stillwater County | 41.7°F | 1.0°F | 85 | 40.7°F |
| Sweet Grass County | 40.2°F | 1.0°F | 80 | 39.2°F |
| Teton County | 39.5°F | 0.6°F | 72 | 38.9°F |
| Toole County | 40.9°F | 0.9°F | 76 | 40.0°F |
| Treasure County | 45.2°F | 1.2°F | 89 | 43.9°F |
| Valley County | 41.3°F | 1.0°F | 74 | 40.3°F |
| Wheatland County | 41.4°F | 1.6°F | 95 | 39.8°F |
| Wibaux County | 41.3°F | -0.5°F | 57 | 41.8°F |
| Yellowstone County | 45.6°F | 1.4°F | 94 | 44.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 15, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
