Snow in Green Bay, Wisconsin Winter storm alerts · 7-day snow forecast · average snowfall
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Green Bay averages 55.6 inches of snow a year. The snowiest month is January (14.3″), and snow usually falls from October through April. On about 17 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 82 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
September
0″
0
0
1
50°F
October
0.3″
<1
<1
8
40°F
November
3.1″
1
3
21
29°F
December
13.1″
4
17
28
18°F
January
14.3″
5
24
30
11°F
February
12.0″
4
24
27
13°F
March
8.1″
3
13
25
24°F
April
4.7″
1
2
12
35°F
May
0″
0
0
1
46°F
Year
55.6″
17
82
152
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Green Bay (5 mi from the city center, +85 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
55.6 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Green Bay station, 5 miles away). The snowiest month is January with 14.3 inches.
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How many freezing nights does Green Bay have?
About 152 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 11 °F.