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Montana climate
Climate normals for 12 cities in Montana — find your city, or get the regional gist.
Across the 12 cities we cover in Montana, annual averages run 2–8°C. Annual precipitation ranges 239–620 mm across those cities. The region spans 4 Köppen zones (Dfb · BSk · Dfc · Cfb).
Largest cities in Montana
The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.
Billings
Population 117k
Warm summers, cold winters
Avg
−4°C in January, 22°C in July
Missoula
Population 71k
Warm summers, cold winters
Avg
−3°C in January, 20°C in July
Great Falls
Population 60k
Warm summers, cold winters
Avg
−3°C in January, 21°C in July
Bozeman
Population 43k
Warm summers, cold winters
Avg
−4°C in January, 19°C in July
Butte
Population 34k
Warm summers, very cold winters
Avg
−5°C in January, 21°C in July
Helena
Population 32k
Warm summers, very cold winters
Avg
−5°C in January, 21°C in July
Climate types in Montana:Dfb
Warm-summer humid continentalBSk
Cold semi-aridDfc
SubarcticCfb
Oceanic / temperate
Find a city in Montana
Search 12 cities by name.