Hottest Cities in Montana.
Cities in Montana with the highest average summer temperatures, from 30-year averages at the nearest weather station.
8 cities ranked · See the national list
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| # | City | Avg Summer High |
|---|---|---|
| 1 | Billings | 83°F |
| 2 | Great Falls | 82°F |
| 3 | Helena | 82°F |
| 4 | Missoula | 81°F |
| 5 | Belgrade | 81°F |
| 6 | Bozeman | 78°F |
| 7 | Kalispell | 78°F |
| 8 | Butte-Silver Bow | 77°F |
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