Average Precipitation for South Carolina in May





The tables below give monthly averages for rainfall during May 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 precipitation 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 May
Days Place Inches Milli­metres
8 Beaufort 2.5 64
8 Brookgreen Gardens 3.8 96
8 Charleston 3.3 84
7 Edisto Island 2.8 71
10 McClellanville 3.4 85
8 Moncks Corner 3.6 90
10 North Myrtle Beach 3.0 75

Midlands

May averages for total rainfall
Days Place Inches Milli­metres
9 Columbia 3.5 89
9 Florence 3.7 94
9 Orangeburg 4.0 103
9 Sumter 3.8 96

Upstate South Carolina

Average amount of rain in May
Days Place Inches Milli­metres
8 Anderson 3.6 92
11 Caesars Head State Park 6.1 155
8 Calhoun Falls 3.3 85
10 Gaffney 3.6 90
10 Greenville 3.9 98
10 Greenwood 3.0 76
10 Greer 4.1 103
11 Longcreek 5.0 126
9 Ninety Nine Islands Reservoir 3.6 92
8 Spartanburg 3.9 100
Reference

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

South Carolina Precipitation
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