Average Temperatures for South Dakota in August

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

The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1981 to 2010.

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

Eastern South Dakota

Average August temperatures
High °F Low °F Place High °C Low °C
82 56 Aberdeen 28 13
80 57 Brookings 27 14
84 59 Huron 29 15
85 61 Mitchell 30 16
82 60 Sioux Falls 28 15
84 62 Vermillion 29 16
80 57 Watertown 27 14
81 60 Waubay Wildlife Refuge 27 16
86 60 Yankton 30 16

Central South Dakota

Average daily temperatures in August
High °F Low °F Place High °C Low °C
85 58 Academy 30 15
85 61 Mobridge 29 16
87 61 Pickstown 30 16
87 60 Pierre 31 16

Western South Dakota

August temperatures: daily averages
High °F Low °F Place High °C Low °C
79 53 Custer 26 11
81 53 Deadwood 27 12
88 56 Hot Springs 31 13
91 62 Interior 33 16
78 55 Lead 26 13
85 57 Lemmon 30 14
78 58 Mt. Rushmore National Memorial 26 14
78 48 Pactola Reservoir Dam 26   9
89 56 Porcupine 31 13
84 60 Rapid City 29 15
87 60 Spearfish 30 16
84 55 Wind Cave National Park 29 13
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

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