NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
October - December 1940
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Montana (Hover over a County)
Temp
Average Temperature
:
32.0°F
Anomaly:
0.9°F
Rank:
56th Warmest
Mean:
31.1°F
*Signifies a tie
**Insufficient variability in the data record renders rank insignificant
County
|
Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Beaverhead County | 28.3°F | 0.5°F | 69 | 27.9°F |
| Big Horn County | 34.8°F | 1.1°F | 78 | 33.8°F |
| Blaine County | 30.9°F | 0.3°F | 62 | 30.6°F |
| Broadwater County | 33.1°F | 0.7°F | 72 | 32.4°F |
| Carbon County | 32.8°F | 0.9°F | 75 | 31.9°F |
| Carter County | 32.8°F | 1.1°F | 76 | 31.7°F |
| Cascade County | 34.0°F | 0.6°F | 62 | 33.4°F |
| Chouteau County | 33.2°F | 0.5°F | 63 | 32.7°F |
| Custer County | 34.1°F | 1.5°F | 91 | 32.5°F |
| Daniels County | 27.5°F | 1.1°F | 78 | 26.4°F |
| Dawson County | 32.1°F | 1.7°F | 90 | 30.5°F |
| Deer Lodge County | 28.4°F | 0.2°F | 62 | 28.2°F |
| Fallon County | 33.3°F | 2.0°F | 94 | 31.4°F |
| Fergus County | 34.1°F | 0.7°F | 72 | 33.3°F |
| Flathead County | 30.2°F | 0.2°F | 52 | 29.9°F |
| Gallatin County | 30.5°F | 1.0°F | 81 | 29.5°F |
| Garfield County | 33.4°F | 1.5°F | 84 | 31.9°F |
| Glacier County | 30.2°F | 0.5°F | 62 | 29.7°F |
| Golden Valley County | 35.1°F | 1.0°F | 82 | 34.1°F |
| Granite County | 30.0°F | 0.8°F | 75 | 29.2°F |
| Hill County | 30.0°F | 0.7°F | 67 | 29.3°F |
| Jefferson County | 31.7°F | 0.7°F | 79 | 31.0°F |
| Judith Basin County | 32.7°F | 0.6°F | 62 | 32.2°F |
| Lake County | 33.3°F | 0.5°F | 64 | 32.8°F |
| Lewis and Clark County | 31.8°F | 0.7°F | 71 | 31.0°F |
| Liberty County | 31.1°F | 1.2°F | 74 | 29.9°F |
| Lincoln County | 31.4°F | 0.5°F | 67 | 30.9°F |
| McCone County | 31.6°F | 1.5°F | 85 | 30.1°F |
| Madison County | 30.7°F | 1.1°F | 88 | 29.6°F |
| Meagher County | 30.5°F | 0.5°F | 70 | 29.9°F |
| Mineral County | 32.9°F | 0.9°F | 85 | 32.0°F |
| Missoula County | 31.9°F | 0.9°F | 80 | 31.0°F |
| Musselshell County | 36.1°F | 1.5°F | 92 | 34.6°F |
| Park County | 30.2°F | 1.2°F | 86 | 29.0°F |
| Petroleum County | 35.6°F | 1.3°F | 84 | 34.3°F |
| Phillips County | 31.4°F | 0.8°F | 73 | 30.6°F |
| Pondera County | 32.2°F | 1.0°F | 72 | 31.2°F |
| Powder River County | 33.9°F | 0.7°F | 70 | 33.2°F |
| Powell County | 30.0°F | 0.6°F | 67 | 29.4°F |
| Prairie County | 33.3°F | 1.8°F | 94 | 31.5°F |
| Ravalli County | 31.2°F | 0.9°F | 85 | 30.3°F |
| Richland County | 31.1°F | 1.7°F | 86 | 29.4°F |
| Roosevelt County | 29.3°F | 1.2°F | 77 | 28.1°F |
| Rosebud County | 34.2°F | 1.2°F | 86 | 33.0°F |
| Sanders County | 33.6°F | 0.9°F | 79 | 32.7°F |
| Sheridan County | 27.8°F | 1.1°F | 74 | 26.7°F |
| Silver Bow County | 30.1°F | 0.5°F | 73 | 29.6°F |
| Stillwater County | 34.4°F | 0.9°F | 83 | 33.5°F |
| Sweet Grass County | 33.9°F | 0.8°F | 83 | 33.1°F |
| Teton County | 32.8°F | 1.1°F | 73 | 31.7°F |
| Toole County | 31.9°F | 1.4°F | 78 | 30.5°F |
| Treasure County | 35.0°F | 1.4°F | 81 | 33.7°F |
| Valley County | 29.7°F | 1.2°F | 79 | 28.6°F |
| Wheatland County | 33.8°F | 0.8°F | 78 | 33.1°F |
| Wibaux County | 33.1°F | 2.2°F | 98 | 30.9°F |
| Yellowstone County | 36.2°F | 1.3°F | 86 | 34.9°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published July 2025, retrieved on August 2, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
