Snow in Wilmington, Delaware Winter storm alerts · 7-day snow forecast · average snowfall
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Wilmington averages 20.2 inches of snow a year. The snowiest month is February (7.8″), and snow usually falls from November through April. On about 5 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 17 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0″
0
0
1
47°F
November
0.2″
<1
0
10
37°F
December
2.9″
1
2
20
30°F
January
6.1″
1
5
24
26°F
February
7.8″
2
7
21
27°F
March
3.1″
1
3
14
34°F
April
0.1″
<1
0
2
44°F
Year
20.2″
5
17
92
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Wilmington New Castle Co Airport (6 mi from the city center, -43 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
20.2 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Wilmington New Castle Co Airport station, 6 miles away). The snowiest month is February with 7.8 inches.
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This page checks the National Weather Service for active alerts at Wilmington'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 Wilmington have?
About 92 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 26 °F.