Snow in Portage, Michigan Winter storm alerts · 7-day snow forecast · average snowfall
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Portage averages 41.2 inches of snow a year. The snowiest month is January (15.0″), and snow usually falls from November through April. On about 15 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 60 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0″
<1
<1
4
42°F
November
2.9″
1
3
15
33°F
December
9.3″
3
13
25
24°F
January
15.0″
5
21
28
18°F
February
9.7″
3
17
25
20°F
March
3.7″
2
6
22
27°F
April
0.6″
<1
1
9
38°F
May
0″
0
0
1
49°F
Year
41.2″
15
60
129
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Three Rivers (19 mi from the city center, -85 ft elevation difference); temperatures at Kalamazoo Battle Ck Intl. Airport. Averages smooth out big years: single winters can bring half or double the normal.
41.2 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Three Rivers station, 19 miles away). The snowiest month is January with 15.0 inches.
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How many freezing nights does Portage have?
About 129 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 18 °F.