Snow in Dover, New Hampshire Winter storm alerts · 7-day snow forecast · average snowfall
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Dover averages 38.9 inches of snow a year. The snowiest month is January (10.8″), and snow usually falls from October through April. On about 11 days a year at least an inch falls, and about 1 day brings 10 inches or more. Snow covers the ground (1″+) on roughly 64 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.2″
0
0
6
39°F
November
1.3″
1
1
20
30°F
December
8.9″
2
11
28
22°F
January
10.8″
3
19
30
15°F
February
9.1″
3
18
27
16°F
March
6.8″
2
14
25
25°F
April
1.8″
<1
1
13
34°F
May
0″
0
0
1
44°F
Year
38.9″
11
64
150
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Durham (5 mi from the city center, +0 ft elevation difference); temperatures at Durham 2 N. Averages smooth out big years: single winters can bring half or double the normal.
38.9 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Durham station, 5 miles away). The snowiest month is January with 10.8 inches.
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How many freezing nights does Dover have?
About 150 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 15 °F.