Snow in Aurora, Illinois Winter storm alerts · 7-day snow forecast · average snowfall
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Aurora averages 27.9 inches of snow a year. The snowiest month is January (9.1″), and snow usually falls from November through April. On about 11 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 42 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
43°F
November
1.3″
1
1
17
32°F
December
6.4″
2
10
27
22°F
January
9.1″
4
16
29
16°F
February
7.9″
3
11
26
20°F
March
2.6″
1
4
22
29°F
April
0.6″
<1
<1
7
39°F
May
0″
0
0
1
50°F
Year
27.9″
11
42
134
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Aurora (1 mi from the city center, -30 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
27.9 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Aurora station, 1 miles away). The snowiest month is January with 9.1 inches.
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How many freezing nights does Aurora have?
About 134 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 16 °F.