Snow in Brookfield, Wisconsin Winter storm alerts · 7-day snow forecast · average snowfall
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Brookfield averages 39.5 inches of snow a year. The snowiest month is January (11.0″), and snow usually falls from November through April. On about 13 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″
0
0
6
40°F
November
2.0″
1
2
21
29°F
December
9.8″
3
12
28
19°F
January
11.0″
4
20
30
12°F
February
9.9″
3
17
27
15°F
March
5.3″
2
7
24
25°F
April
1.5″
<1
1
12
35°F
May
0″
0
0
1
47°F
Year
39.5″
13
58
149
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Mt Mary College (4 mi from the city center, -118 ft elevation difference); temperatures at Brookfield Wwtp. Averages smooth out big years: single winters can bring half or double the normal.
39.5 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Mt Mary College station, 4 miles away). The snowiest month is January with 11.0 inches.
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How many freezing nights does Brookfield have?
About 149 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 12 °F.