NOAA's National Centers for Environmental Information
County Mapping
County Average Temperature
March - May 1999
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F
Montana (Hover over a County)
TempAverage Temperature:
Anomaly:
Rank:
Mean:
County | Value | Anomaly | Rank 130 Years | 1901- |
|---|---|---|---|---|
| Beaverhead County | 33.8°F | -0.9°F | 41 | 34.7°F |
| Big Horn County | 43.9°F | 1.2°F | 89 | 42.7°F |
| Blaine County | 43.2°F | 2.3°F | 98 | 40.9°F |
| Broadwater County | 40.6°F | 0.3°F | 70 | 40.3°F |
| Carbon County | 40.7°F | 1.2°F | 85 | 39.5°F |
| Carter County | 43.7°F | 2.1°F | 100 | 41.7°F |
| Cascade County | 41.5°F | 1.0°F | 83 | 40.5°F |
| Chouteau County | 43.8°F | 1.7°F | 93 | 42.1°F |
| Custer County | 45.6°F | 2.3°F | 103 | 43.3°F |
| Daniels County | 41.2°F | 2.8°F | 101 | 38.4°F |
| Dawson County | 44.7°F | 2.9°F | 107 | 41.9°F |
| Deer Lodge County | 34.3°F | -0.6°F | 48 | 34.9°F |
| Fallon County | 43.9°F | 2.2°F | 99 | 41.7°F |
| Fergus County | 42.9°F | 1.2°F | 87 | 41.7°F |
| Flathead County | 38.4°F | 0.7°F | 71 | 37.7°F |
| Gallatin County | 36.9°F | 0.1°F | 67 | 36.8°F |
| Garfield County | 44.5°F | 2.2°F | 100 | 42.3°F |
| Glacier County | 37.9°F | 1.4°F | 89 | 36.5°F |
| Golden Valley County | 43.2°F | 1.4°F | 87 | 41.9°F |
| Granite County | 35.8°F | -0.5°F | 47 | 36.3°F |
| Hill County | 42.7°F | 2.3°F | 97 | 40.4°F |
| Jefferson County | 37.8°F | 0.1°F | 64 | 37.7°F |
| Judith Basin County | 39.9°F | 1.2°F | 89 | 38.6°F |
| Lake County | 42.1°F | 0.5°F | 75 | 41.6°F |
| Lewis and Clark County | 38.4°F | 0.4°F | 65 | 38.0°F |
| Liberty County | 42.2°F | 2.1°F | 97 | 40.1°F |
| Lincoln County | 39.5°F | -0.2°F | 53 | 39.7°F |
| McCone County | 44.5°F | 2.9°F | 105 | 41.6°F |
| Madison County | 36.0°F | -0.5°F | 50 | 36.5°F |
| Meagher County | 37.2°F | 0.7°F | 74 | 36.5°F |
| Mineral County | 39.0°F | -0.8°F | 42 | 39.8°F |
| Missoula County | 38.8°F | -0.4°F | 50 | 39.2°F |
| Musselshell County | 44.5°F | 1.1°F | 84 | 43.4°F |
| Park County | 35.8°F | 0.2°F | 64 | 35.6°F |
| Petroleum County | 45.3°F | 1.4°F | 89 | 43.9°F |
| Phillips County | 44.3°F | 2.4°F | 99 | 41.9°F |
| Pondera County | 40.4°F | 1.3°F | 86 | 39.1°F |
| Powder River County | 45.0°F | 1.8°F | 101 | 43.2°F |
| Powell County | 36.8°F | 0.0°F | 61 | 36.8°F |
| Prairie County | 45.0°F | 2.6°F | 104 | 42.4°F |
| Ravalli County | 37.1°F | -0.9°F | 38 | 38.0°F |
| Richland County | 44.7°F | 3.2°F | 107 | 41.5°F |
| Roosevelt County | 43.5°F | 3.0°F | 101 | 40.5°F |
| Rosebud County | 45.2°F | 2.0°F | 100 | 43.2°F |
| Sanders County | 40.8°F | -0.3°F | 56 | 41.1°F |
| Sheridan County | 42.1°F | 3.0°F | 102 | 39.1°F |
| Silver Bow County | 35.7°F | -0.5°F | 53 | 36.2°F |
| Stillwater County | 41.6°F | 0.9°F | 83 | 40.7°F |
| Sweet Grass County | 40.4°F | 1.1°F | 87 | 39.2°F |
| Teton County | 40.0°F | 1.2°F | 86 | 38.9°F |
| Toole County | 41.5°F | 1.5°F | 88 | 40.0°F |
| Treasure County | 45.6°F | 1.7°F | 94 | 43.9°F |
| Valley County | 42.8°F | 2.5°F | 96 | 40.3°F |
| Wheatland County | 40.7°F | 0.9°F | 80 | 39.8°F |
| Wibaux County | 44.4°F | 2.6°F | 106 | 41.8°F |
| Yellowstone County | 45.4°F | 1.2°F | 88 | 44.2°F |
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published March 2025, retrieved on April 3, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping
