Snow in Iowa City, Iowa Winter storm alerts · 7-day snow forecast · average snowfall
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Iowa City averages 27.5 inches of snow a year. The snowiest month is January (7.6″), and snow usually falls from October through April. On about 10 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 48 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.4″
<1
<1
6
42°F
November
1.1″
1
2
19
30°F
December
7.2″
3
11
28
20°F
January
7.6″
3
18
29
15°F
February
7.5″
3
13
26
19°F
March
3.2″
1
4
21
30°F
April
0.5″
<1
<1
7
40°F
May
0″
0
0
1
52°F
Year
27.5″
10
48
135
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Iowa City (4 mi from the city center, -30 ft elevation difference); temperatures at Iowa City Muni Airport. Averages smooth out big years: single winters can bring half or double the normal.
27.5 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Iowa City station, 4 miles away). The snowiest month is January with 7.6 inches.
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This page checks the National Weather Service for active alerts at Iowa City'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 Iowa City have?
About 135 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 15 °F.