Snow in Cottage Grove, Minnesota Winter storm alerts · 7-day snow forecast · average snowfall
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Cottage Grove averages 51.2 inches of snow a year. The snowiest month is December (11.4″), and snow usually falls from October through April. On about 15 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 90 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.8″
<1
<1
6
40°F
November
6.8″
2
6
21
27°F
December
11.4″
3
21
29
15°F
January
11.0″
3
26
30
9°F
February
9.5″
3
22
27
13°F
March
8.2″
2
13
24
25°F
April
3.5″
1
2
8
37°F
May
0″
0
0
1
49°F
Year
51.2″
15
90
146
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Minneapolis/St Paul Airport (14 mi from the city center, +66 ft elevation difference); temperatures at St Paul Downtown Airport. Averages smooth out big years: single winters can bring half or double the normal.
51.2 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Minneapolis/St Paul Airport station, 14 miles away). The snowiest month is December with 11.4 inches.
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How many freezing nights does Cottage Grove have?
About 146 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 9 °F.