Snow in Peoria, Illinois Winter storm alerts · 7-day snow forecast · average snowfall
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Peoria averages 26.2 inches of snow a year. The snowiest month is January (7.7″), and snow usually falls from October through April. On about 8 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 36 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
3
44°F
November
1.5″
1
1
15
33°F
December
6.2″
2
8
25
23°F
January
7.7″
3
14
28
18°F
February
6.9″
2
9
24
21°F
March
3.3″
1
3
17
32°F
April
0.5″
<1
<1
4
42°F
Year
26.2″
8
36
118
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Peoria Gtr Peoria Airport (5 mi from the city center, +108 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
26.2 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Peoria Gtr Peoria Airport station, 5 miles away). The snowiest month is January with 7.7 inches.
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How many freezing nights does Peoria have?
About 118 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 18 °F.