Snow in Springfield, Illinois Winter storm alerts · 7-day snow forecast · average snowfall
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Springfield averages 21.8 inches of snow a year. The snowiest month is January (6.7″), and snow usually falls from October through April. On about 6 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 27 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
4
45°F
November
1.2″
<1
1
14
34°F
December
4.3″
1
6
24
25°F
January
6.7″
2
11
27
20°F
February
6.1″
2
7
23
24°F
March
3.1″
1
2
16
33°F
April
0.3″
<1
<1
4
43°F
Year
21.8″
6
27
111
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Springfield Capital Airport (4 mi from the city center, -10 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
21.8 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Springfield Capital Airport station, 4 miles away). The snowiest month is January with 6.7 inches.
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How many freezing nights does Springfield have?
About 111 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 20 °F.