Snow in Dayton, Ohio Winter storm alerts · 7-day snow forecast · average snowfall
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Dayton averages 12.3 inches of snow a year. The snowiest month is January (6.9″), and snow usually falls from November through March. On about 5 days a year at least an inch falls. Snow covers the ground (1″+) on roughly 22 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
44°F
November
0.1″
0
<1
13
33°F
December
2.1″
1
5
23
26°F
January
6.9″
2
9
25
20°F
February
1.5″
1
5
22
23°F
March
1.7″
1
2
18
31°F
April
0″
0
0
4
41°F
Year
12.3″
5
22
107
NOAA NCEI U.S. Climate Normals 1991–2020 — snowfall at Dayton Mcd (in the city, -56 ft elevation difference). Averages smooth out big years: single winters can bring half or double the normal.
12.3 inches in an average year (NOAA U.S. Climate Normals 1991–2020, Dayton Mcd station). The snowiest month is January with 6.9 inches.
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How many freezing nights does Dayton have?
About 107 nights a year drop to 32 °F or below (NOAA 1991–2020); the coldest month, January, averages a low of 20 °F.