Snow in Merrillville, Indiana Winter storm alerts · 7-day snow forecast · average snowfall
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Merrillville averages 26.6 inches of snow a year. The snowiest month is January (10.3″), and snow usually falls from November through April. On about 8 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 29 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
3
44°F
November
0.4″
<1
<1
15
34°F
December
4.7″
2
5
25
25°F
January
10.3″
3
12
28
18°F
February
6.3″
2
9
25
22°F
March
4.3″
1
3
21
31°F
April
0.6″
<1
<1
7
40°F
Year
26.6″
8
29
125
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Crown Pt 1n (3 mi from the city center, +30 ft elevation difference); temperatures at Valparaiso Porter Co Muni Airport. Averages smooth out big years: single winters can bring half or double the normal.
26.6 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Crown Pt 1n station, 3 miles away). The snowiest month is January with 10.3 inches.
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This page checks the National Weather Service for active alerts at Merrillville's location every time you open it; the box at the top lists any winter storm, winter weather, cold or freeze alert in effect right now.
How many freezing nights does Merrillville have?
About 125 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 18 °F.