Snow in Mundelein, Illinois Winter storm alerts · 7-day snow forecast · average snowfall
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Mundelein averages 43.1 inches of snow a year. The snowiest month is February (12.8″), 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 55 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
5
42°F
November
2.5″
1
2
18
30°F
December
9.7″
3
12
28
20°F
January
11.0″
3
18
29
14°F
February
12.8″
4
16
27
16°F
March
5.3″
2
6
23
26°F
April
1.8″
1
1
10
36°F
May
0″
0
0
1
47°F
Year
43.1″
13
55
140
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Mundelein 4 Wsw (4 mi from the city center, +98 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
43.1 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Mundelein 4 Wsw station, 4 miles away). The snowiest month is February with 12.8 inches.
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How many freezing nights does Mundelein have?
About 140 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 14 °F.