Snow in Bismarck, North Dakota Winter storm alerts · 7-day snow forecast · average snowfall
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Bismarck averages 50.5 inches of snow a year. The snowiest month is December (10.1″), and snow usually falls from October through May. On about 14 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 92 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
September
0″
0
0
2
46°F
October
2.5″
1
1
15
33°F
November
8.0″
2
9
28
19°F
December
10.1″
3
19
31
8°F
January
8.9″
3
26
31
2°F
February
7.5″
3
21
28
7°F
March
8.5″
2
13
28
19°F
April
4.6″
1
3
18
30°F
May
0.4″
<1
<1
4
42°F
Year
50.5″
14
92
184
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Bismarck (3 mi from the city center, -49 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
50.5 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Bismarck station, 3 miles away). The snowiest month is December with 10.1 inches.
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This page checks the National Weather Service for active alerts at Bismarck'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 Bismarck have?
About 184 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 2 °F.