Earliest and Latest Days at or Below 32° F in Dayton

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 32 °F in Dayton, Ohio history. It is based on NOAA data from the years 1893–2024.

Earliest freezing temperature in Dayton?

The earliest in a winter season that Dayton, Ohio has recorded a low temperature of 32 °F or below is September 21 which happened in 1897.

Latest freezing temperature in Dayton?

The latest in a winter season that Dayton, Ohio has recorded a low temperature of 32 °F or below is May 21 which happened in 1907.

Earliest Days ≤ 32 °F

Date	Year	Temperature
September 21	1897	31 °F
September 22	1918	32 °F
September 23	1974	32 °F
September 23	1913	29 °F
September 28	1909	32 °F
September 30	1916	32 °F
September 30	1912	32 °F
September 30	1899	30 °F
October 1	1899	26 °F
October 1	1895	31 °F
October 2	2003	32 °F
October 2	1974	30 °F
October 2	1908	28 °F
October 2	1895	32 °F
October 3	1981	32 °F
October 3	1974	30 °F
October 3	1908	30 °F
October 4	1989	30 °F
October 4	1987	30 °F
October 4	1908	30 °F
October 4	1901	28 °F

Latest Days ≤ 32 °F

Date	Year	Temperature
May 21	1907	32 °F
May 16	1904	32 °F
May 15	1910	32 °F
May 11	1913	28 °F
May 10	1966	29 °F
May 10	1923	30 °F
May 10	1917	30 °F
May 10	1906	30 °F
May 9	2020	28 °F
May 9	1983	32 °F
May 9	1980	32 °F
May 9	1947	31 °F
May 9	1923	32 °F
May 9	1917	32 °F
May 8	1976	32 °F
May 7	1989	31 °F
May 7	1974	28 °F
May 7	1906	32 °F
May 6	1968	31 °F
May 5	1910	31 °F
May 5	1907	30 °F
May 5	1900	30 °F