Average Rainfall for South Dakota in July





The tables below give monthly averages for rainfall during July at cities, towns and parks in South Dakota.

Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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

Eastern South Dakota

Average monthly precipitation in July
Days Place Inches Milli­metres
10 Aberdeen 3.1 78
10 Brookings 3.6 92
9 Huron 2.8 72
7 Mitchell 3.0 77
9 Sioux Falls 3.3 83
7 Vermillion 3.6 92
10 Watertown 3.1 77
9 Waubay Wildlife Refuge 3.8 96
8 Yankton 3.5 88

Central South Dakota

July averages for total rainfall
Days Place Inches Milli­metres
9 Academy 3.0 77
9 Mobridge 2.4 61
7 Pickstown 2.5 64
9 Pierre 2.4 61

Western South Dakota

Average amount of rain in July
Days Place Inches Milli­metres
11 Custer 3.2 80
8 Hot Springs 2.4 61
8 Interior 2.2 57
12 Lead 3.1 79
9 Lemmon 2.8 70
12 Mt. Rushmore National Memorial 3.6 91
12 Pactola Reservoir Dam 3.1 78
8 Porcupine 2.2 55
10 Rapid City 2.3 58
9 Spearfish 2.4 60
10 Wind Cave National Park 3.0 76
Reference

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

South Dakota Precipitation
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