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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 43–48°F. Annual precipitation ranges 16.6–27.9 in 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
18°F in January, 74°F in July
Rapid City
Population 74k
Warm summers, cold winters
Avg
26°F in January, 73°F in July
Aberdeen
Population 28k
Warm summers, very cold winters
Avg
11°F in January, 71°F in July
Brookings
Population 24k
Warm summers, very cold winters
Avg
15°F in January, 73°F in July
Watertown
Population 22k
Warm summers, very cold winters
Avg
13°F in January, 72°F in July
Pierre
Population 14k
Warm summers, very cold winters
Avg
19°F in January, 75°F 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.