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South Dakota climate
Climate normals for 7 cities in South Dakota — find your city, or get the regional gist.
Across the 7 cities we cover in South Dakota, annual averages run 6–9°C. Annual precipitation ranges 423–707 mm across those cities. The region spans 4 Köppen zones (Dfa · BSk · Dfb · Dwa).
Largest cities
Largest cities in South Dakota
The most populous cities — most visitors want one of these. Tap a name for month-by-month detail.
Sioux Falls
Population 172k
Warm summers, very cold winters
Avg
−8°C in January, 24°C in July
Rapid City
Population 74k
Warm summers, cold winters
Avg
−3°C in January, 23°C in July
Aberdeen
Population 28k
Warm summers, very cold winters
Avg
−12°C in January, 22°C in July
Brookings
Population 24k
Warm summers, very cold winters
Avg
−10°C in January, 23°C in July
Watertown
Population 22k
Warm summers, very cold winters
Avg
−10°C in January, 22°C in July
Pierre
Population 14k
Warm summers, very cold winters
Avg
−7°C in January, 24°C in July
Climate types in South Dakota:Dfa
Hot-summer humid continentalBSk
Cold semi-aridDfb
Warm-summer humid continentalDwa
Monsoon-influenced hot-summer humid continental
Find a city in South Dakota
Search 7 cities by name.