Snow in Saint Joseph, Missouri Winter storm alerts · 7-day snow forecast · average snowfall
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Saint Joseph averages 21.1 inches of snow a year. The snowiest month is February (5.9″), and snow usually falls from October through May. On about 7 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 30 days of an average winter.
Average snowfall by month
Month
Snowfall
Days 1″+
Days with snow cover
Freezing nights
Avg. low
October
0.3″
<1
<1
5
43°F
November
1.3″
<1
1
18
31°F
December
5.0″
2
7
27
21°F
January
5.5″
2
11
29
17°F
February
5.9″
2
8
24
21°F
March
2.2″
1
3
17
32°F
April
0.8″
<1
<1
6
42°F
May
0.1″
0
0
<1
54°F
Year
21.1″
7
30
126
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Troy 3n (13 mi from the city center, +125 ft elevation difference); temperatures at St Joseph Rosecrans Airport. Averages smooth out big years: single winters can bring half or double the normal.
21.1 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Troy 3n station, 13 miles away). The snowiest month is February with 5.9 inches.
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How many freezing nights does Saint Joseph have?
About 126 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 17 °F.