Average Annual Precipitation for South Carolina





The tables below give yearly averages for rainfall plus snowfall at cities, towns and parks in South Carolina.

Each place has a total for the amount of precipitation it usually receives in a year. 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 annual 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 yearly precipitation
Days Place Inches Milli­metres
118 Beaufort 45.0 1144
103 Brookgreen Gardens 55.3 1405
114 Charleston 52.5 1334
104 Edisto Island 51.9 1318
134 McClellanville 55.6 1412
110 Moncks Corner 52.3 1329
122 North Myrtle Beach 48.5 1231

Midlands

Annual averages for rainfall plus snowfall
Days Place Inches Milli­metres
109 Columbia 45.2 1149
111 Florence 45.3 1151
113 Orangeburg 50.5 1282
117 Sumter 48.8 1240

Upstate South Carolina

Average amount of rain and snow a year
Days Place Inches Milli­metres
102 Anderson 50.3 1276
136 Caesars Head State Park 74.2 1885
103 Calhoun Falls 47.0 1194
117 Gaffney 48.5 1232
121 Greenville 47.0 1195
118 Greenwood 42.0 1067
117 Greer 49.7 1262
122 Longcreek 64.4 1635
104 Ninety Nine Islands Reservoir 45.3 1151
99 Spartanburg 50.2 1276
Reference

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

South Carolina Precipitation
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