Snow in Charleston, South Carolina Winter storm alerts · 7-day snow forecast · average snowfall
Alerts for Charleston right now
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Snow forecast — next 7 days
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Measurable snow is rare in Charleston: the 1991–2020 normal is just 0.3 inch a year, and nights reach freezing on about 6 days a year. When snow or ice does arrive, it causes outsized trouble because roads are rarely treated — watch for Winter Weather Advisories and Freeze Warnings.
Winter by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
December
0″
0
0
1
47°F
January
0.2″
<1
<1
4
44°F
February
0.1″
0
0
1
46°F
Year
0.3″
<1
<1
6
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Charleston Intl. Airport (11 mi from the city center, +33 ft elevation difference); temperatures at Charleston City. Averages smooth out big years: single winters can bring half or double the normal.
0.3 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Charleston Intl. Airport station, 11 miles away).
Is there a winter storm warning for Charleston today?
This page checks the National Weather Service for active alerts at Charleston's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
How many freezing nights does Charleston have?
About 6 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 44 °F.