Snow in Bolingbrook, Illinois Winter storm alerts · 7-day snow forecast · average snowfall
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Bolingbrook averages 33.2 inches of snow a year. The snowiest month is January (10.6″), and snow usually falls from October through April. On about 10 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 39 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
3
44°F
November
1.2″
<1
1
15
32°F
December
7.5″
3
9
27
22°F
January
10.6″
3
15
28
16°F
February
8.7″
2
11
25
20°F
March
4.2″
1
3
20
30°F
April
0.9″
<1
<1
5
40°F
Year
33.2″
10
39
123
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Romeoville Wfo (7 mi from the city center, -49 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
33.2 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Romeoville Wfo station, 7 miles away). The snowiest month is January with 10.6 inches.
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How many freezing nights does Bolingbrook have?
About 123 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 16 °F.