Earliest and Latest Snowfalls in Dayton History

This is a list of the earliest and latest times in the year when snow was recorded in Dayton, Ohio. It is based on NOAA data from the years 1893–2024.

What's the Earliest it has Snowed in Dayton?

The earliest in the season it has snowed in Dayton, Ohio is October 18 which happened in 1989.

What's the Latest it has Snowed in Dayton?

The latest in the season it has snowed in Dayton, Ohio is May 9 which happened in 1923.

Earliest Snowfalls

Date	Year	Snowfall
October 18	1989	0.2 inches
October 19	1989	4.8 inches
October 20	1992	0.1 inches
October 20	1989	0.8 inches
October 23	2013	1.0 inches
October 23	1917	0.5 inches
October 24	1917	0.3 inches
October 25	1962	2.0 inches
October 27	1957	0.5 inches
October 30	2012	0.7 inches
October 30	1993	3.7 inches
October 30	1954	0.1 inches
October 31	1993	0.4 inches
November 1	1954	0.8 inches
November 2	1966	6.5 inches
November 2	1951	0.5 inches
November 3	1966	0.6 inches
November 3	1936	0.7 inches
November 4	1991	0.2 inches
November 4	1967	0.3 inches
November 4	1954	0.8 inches
November 4	1936	6.0 inches

Latest Snowfalls

Date	Year	Snowfall
May 9	1923	1.2 inches
May 2	1897	0.5 inches
April 24	2005	0.1 inches
April 24	1995	0.2 inches
April 23	2005	0.5 inches
April 23	1995	0.1 inches
April 21	2021	1.7 inches
April 21	1901	3.5 inches
April 20	2021	0.8 inches
April 20	2013	0.4 inches
April 20	1953	0.1 inches
April 19	1969	0.3 inches
April 19	1953	0.3 inches
April 19	1907	0.3 inches
April 18	2022	2.3 inches
April 18	1953	2.2 inches
April 17	2001	0.1 inches
April 17	1983	0.2 inches
April 17	1961	1.4 inches
April 17	1949	0.2 inches
April 17	1905	0.8 inches