Snow in Detroit, Michigan Winter storm alerts · 7-day snow forecast · average snowfall
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Detroit averages 27.9 inches of snow a year. The snowiest month is January (9.4″), 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 50 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
1
45°F
November
0.4″
<1
1
11
34°F
December
6.9″
2
8
23
26°F
January
9.4″
4
18
27
20°F
February
7.4″
3
16
24
21°F
March
3.5″
2
7
20
28°F
April
0.3″
<1
<1
6
39°F
Year
27.9″
11
50
112
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Grosse Pointe Farms (10 mi from the city center, -16 ft elevation difference); temperatures at Detroit City Airport. 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, Grosse Pointe Farms station, 10 miles away). The snowiest month is January with 9.4 inches.
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How many freezing nights does Detroit have?
About 112 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 20 °F.