Snow in Ames, Iowa Winter storm alerts · 7-day snow forecast · average snowfall
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Ames averages 27.3 inches of snow a year. The snowiest month is February (7.8″), and snow usually falls from October through April. On about 13 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 56 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
8
39°F
November
1.5″
1
2
21
27°F
December
6.5″
3
12
29
17°F
January
6.6″
3
20
30
11°F
February
7.8″
3
16
27
15°F
March
3.8″
1
6
23
27°F
April
0.7″
<1
<1
8
38°F
May
0″
0
0
1
50°F
Year
27.3″
13
56
147
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Ames 5 Se (6 mi from the city center, -89 ft elevation difference); temperatures at Ames Muni Airport. Averages smooth out big years: single winters can bring half or double the normal.
27.3 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Ames 5 Se station, 6 miles away). The snowiest month is February with 7.8 inches.
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How many freezing nights does Ames have?
About 147 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 11 °F.