Average Temperatures for South Dakota in January





Average temperatures for January at cities, towns and parks throughout South Dakota are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for each region of the state: Eastern, Central and Western South Dakota.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Eastern South Dakota

Average January temperatures
High °F Low °F Place High °C Low °C
24 2 Aberdeen -5 -17
22 4 Brookings -5 -16
26 6 Huron -3 -14
27 9 Mitchell -3 -13
27 9 Sioux Falls -3 -13
31 10 Vermillion -1 -12
21 3 Watertown -6 -16
22 4 Waubay Wildlife Refuge -6 -16
30 10 Yankton -1 -12

Central South Dakota

Average daily temperatures in January
High °F Low °F Place High °C Low °C
30 11 Academy -1 -12
25 6 Mobridge -4 -15
32 12 Pickstown 0 -11
29 9 Pierre -2 -13

Western South Dakota

January temperatures: daily averages
High °F Low °F Place High °C Low °C
37 16 Custer 3 -9
38 14 Deadwood 3 -10
40 14 Hot Springs 5 -10
37 14 Interior 3 -10
38 18 Lead 4 -8
29 9 Lemmon -2 -13
37 19 Mt. Rushmore National Memorial 3 -7
36 11 Pactola Reservoir Dam 2 -11
37 10 Porcupine 3 -12
36 13 Rapid City 2 -11
36 16 Spearfish 2 -9
40 15 Wind Cave National Park 4 -10
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

South Dakota Temperatures
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