Snow in New Haven, Connecticut Winter storm alerts · 7-day snow forecast · average snowfall
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New Haven averages 33.6 inches of snow a year. The snowiest month is February (10.7″), and snow usually falls from October through April. On about 9 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 34 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.1″
0
0
2
46°F
November
0.9″
<1
<1
10
36°F
December
5.5″
2
5
21
29°F
January
8.5″
3
11
25
23°F
February
10.7″
2
12
23
24°F
March
7.0″
2
6
17
30°F
April
0.9″
<1
<1
4
39°F
Year
33.6″
9
34
102
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Bridgeport Sikorsky Mem Airport (15 mi from the city center, -59 ft elevation difference); temperatures at New Haven Tweed Airport. Averages smooth out big years: single winters can bring half or double the normal.
33.6 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Bridgeport Sikorsky Mem Airport station, 15 miles away). The snowiest month is February with 10.7 inches.
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How many freezing nights does New Haven have?
About 102 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 23 °F.