Snow in Portage, Indiana Winter storm alerts · 7-day snow forecast · average snowfall
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Portage averages 40.3 inches of snow a year. The snowiest month is January (16.0″), and snow usually falls from November through April. On about 13 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 46 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
2
45°F
November
0.7″
1
1
13
34°F
December
7.3″
3
10
25
24°F
January
16.0″
5
17
28
18°F
February
9.7″
3
13
25
21°F
March
6.0″
2
5
20
30°F
April
0.6″
<1
<1
6
40°F
Year
40.3″
13
46
117
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Indiana Dunes Nl (6 mi from the city center, +26 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
40.3 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Indiana Dunes Nl station, 6 miles away). The snowiest month is January with 16.0 inches.
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How many freezing nights does Portage have?
About 117 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 18 °F.