Snow in Reston, Virginia Winter storm alerts · 7-day snow forecast · average snowfall
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Reston averages 21.0 inches of snow a year. The snowiest month is February (7.0″), 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 14 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
2
45°F
November
0.3″
<1
<1
13
36°F
December
2.8″
1
2
22
29°F
January
6.9″
2
4
24
25°F
February
7.0″
2
5
21
27°F
March
3.9″
1
2
15
34°F
April
0.1″
0
0
4
43°F
Year
21.0″
5
14
102
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Washington Dc Dulles Airport (7 mi from the city center, -46 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
21.0 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Washington Dc Dulles Airport station, 7 miles away). The snowiest month is February with 7.0 inches.
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How many freezing nights does Reston have?
About 102 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 25 °F.