Average Rainfall for South Carolina in August





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

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: Coast & Lowcountry, Midlands and Upstate.

Coast & Lowcountry

Average monthly precipitation in August
Days Place Inches Milli­metres
13 Beaufort 6.5 165
11 Brookgreen Gardens 6.1 156
13 Charleston 7.0 177
13 Edisto Island 7.5 189
15 McClellanville 8.3 212
12 Moncks Corner 6.3 159
12 North Myrtle Beach 6.3 159

Midlands

August averages for total rainfall
Days Place Inches Milli­metres
10 Columbia 4.7 118
11 Florence 4.9 123
11 Orangeburg 5.3 134
11 Sumter 4.9 125

Upstate South Carolina

Average amount of rain in August
Days Place Inches Milli­metres
10 Anderson 4.8 121
15 Caesars Head State Park 7.0 177
9 Calhoun Falls 4.1 105
10 Gaffney 4.6 116
12 Greenville 4.0 102
11 Greenwood 3.3 83
11 Greer 4.7 118
12 Longcreek 6.0 151
9 Ninety Nine Islands Reservoir 4.7 119
8 Spartanburg 4.6 116
Reference

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

South Carolina Precipitation
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