Snow in Bloomington, Illinois Winter storm alerts · 7-day snow forecast · average snowfall
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Bloomington averages 6.5 inches of snow a year. The snowiest month is December (2.6″), and snow usually falls from November through March. On about 3 days a year at least an inch falls.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0″
0
—
5
42°F
November
0.1″
<1
—
18
31°F
December
2.6″
1
—
27
21°F
January
1.8″
1
—
28
16°F
February
0.8″
1
—
25
19°F
March
1.2″
<1
—
22
28°F
April
0″
0
—
8
38°F
May
0″
0
—
1
50°F
Year
6.5″
3
—
133
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Bloomington Wtr Wks (1 mi from the city center, -39 ft elevation difference); temperatures at Normal 4ne. Averages smooth out big years: single winters can bring half or double the normal.
6.5 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Bloomington Wtr Wks station, 1 miles away). The snowiest month is December with 2.6 inches.
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How many freezing nights does Bloomington have?
About 133 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 16 °F.