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Wyoming climate
Climate normals for 8 cities in Wyoming — find your city, or get the regional gist.
Across the 8 cities we cover in Wyoming, annual averages run 42–47°F. Annual precipitation ranges 7.6–17.6 in across those cities. The region spans 6 Köppen zones (BSk · Cfa · Cfb · Dfa · Dfb · Dsa).
Largest cities in Wyoming
The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.
Cheyenne
Population 65k
Warm summers, cold winters
Avg
29°F in January, 70°F in July
Casper
Population 60k
Warm summers, cold winters
Avg
27°F in January, 72°F in July
Gillette
Population 33k
Warm summers, cold winters
Avg
26°F in January, 72°F in July
Laramie
Population 32k
Warm summers, very cold winters
Avg
23°F in January, 65°F in July
Rock Springs
Population 24k
Warm summers, very cold winters
Avg
22°F in January, 69°F in July
Sheridan
Population 18k
Warm summers, cold winters
Avg
25°F in January, 72°F in July
Climate types in Wyoming:BSk
Cold semi-aridCfa
Humid subtropicalCfb
Oceanic / temperateDfa
Hot-summer humid continentalDfb
Warm-summer humid continentalDsa
Mediterranean-influenced hot-summer humid continental
Find a city in Wyoming
Search 8 cities by name.