Snow in Florissant, Missouri Winter storm alerts · 7-day snow forecast · average snowfall
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Florissant averages 16.6 inches of snow a year. The snowiest month is January (5.7″), and snow usually falls from November through April. On about 5 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 17 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
1
49°F
November
0.9″
<1
1
9
37°F
December
3.2″
1
4
20
29°F
January
5.7″
2
7
24
24°F
February
4.3″
1
4
19
28°F
March
2.3″
1
1
10
37°F
April
0.2″
<1
0
1
47°F
Year
16.6″
5
17
85
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at St Louis Lambert Intl. Airport (4 mi from the city center, -46 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
16.6 inches in an average year (NOAA U.S. Climate Normals 1991–2020, St Louis Lambert Intl. Airport station, 4 miles away). The snowiest month is January with 5.7 inches.
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This page checks the National Weather Service for active alerts at Florissant'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 Florissant have?
About 85 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 24 °F.