Snow in Waukegan, Illinois Winter storm alerts · 7-day snow forecast · average snowfall
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Waukegan averages 43.4 inches of snow a year. The snowiest month is January (15.7″), and snow usually falls from October through April. On about 12 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 61 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
<1
4
43°F
November
3.1″
1
3
16
31°F
December
9.2″
3
13
26
22°F
January
15.7″
4
23
28
16°F
February
8.0″
2
15
26
18°F
March
5.8″
2
7
22
27°F
April
1.5″
<1
1
9
36°F
May
0″
0
0
1
46°F
Year
43.4″
12
61
132
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Lake Villa 2ne (12 mi from the city center, +187 ft elevation difference); temperatures at Chicago Waukegan Rgnl Airport. Averages smooth out big years: single winters can bring half or double the normal.
43.4 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Lake Villa 2ne station, 12 miles away). The snowiest month is January with 15.7 inches.
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This page checks the National Weather Service for active alerts at Waukegan's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
How many freezing nights does Waukegan have?
About 132 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 16 °F.