Snow in Sumter, South Carolina Winter storm alerts · 7-day snow forecast · average snowfall
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Snow forecast — next 7 days
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Measurable snow is rare in Sumter: the 1991–2020 normal is just 0.3 inch a year, and nights reach freezing on about 56 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
November
0″
0
0
7
40°F
December
0″
0
0
14
35°F
January
0.3″
<1
<1
16
33°F
February
0″
0
0
12
35°F
March
0″
0
0
7
41°F
Year
0.3″
<1
<1
56
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Sumter (1 mi from the city center, +0 ft elevation difference). 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, Sumter station, 1 miles away).
Is there a winter storm warning for Sumter today?
This page checks the National Weather Service for active alerts at Sumter'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 Sumter have?
About 56 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 33 °F.