Snow in New Berlin, Wisconsin Winter storm alerts · 7-day snow forecast · average snowfall
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New Berlin averages 48.7 inches of snow a year. The snowiest month is January (14.9″), and snow usually falls from October through April. On about 14 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 58 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.3″
0
<1
9
40°F
November
2.5″
1
2
22
29°F
December
10.4″
3
11
29
18°F
January
14.9″
5
20
30
12°F
February
11.8″
3
17
27
15°F
March
6.7″
2
8
26
24°F
April
2.1″
1
1
14
35°F
May
0″
0
0
2
46°F
Year
48.7″
14
58
159
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Milwaukee Mitchell Airport (10 mi from the city center, -253 ft elevation difference); temperatures at Hales Corners/Whitnall Park/Bo. Averages smooth out big years: single winters can bring half or double the normal.
48.7 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Milwaukee Mitchell Airport station, 10 miles away). The snowiest month is January with 14.9 inches.
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How many freezing nights does New Berlin have?
About 159 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 12 °F.