Earliest and Latest Days of 80° F in Dayton

This is a list of the earliest and latest days in the year with a high temperature of at least 80 °F in Dayton, Ohio history. It is based on NOAA data from the years 1893–2024.

Also see:

Earliest 80 degree day in Dayton?

The earliest in the year that Dayton, Ohio had a high temperature of at least 80 °F is March 19 which happened in 2012.

Latest 80 degree day in Dayton?

The latest in the year that Dayton, Ohio had a high temperature of at least 80 °F is November 8 which happened in 2020.

Earliest Days ≥ 80 °F

Date	Year	Temperature
March 19	2012	81 °F
March 20	2012	83 °F
March 20	1921	80 °F
March 21	2012	86 °F
March 22	2012	81 °F
March 22	1938	81 °F
March 22	1907	84 °F
March 23	1910	80 °F
March 23	1907	83 °F
March 24	1939	81 °F
March 24	1910	87 °F
March 25	1945	82 °F
March 25	1916	80 °F
March 26	1907	81 °F
March 27	2007	80 °F
March 27	1910	83 °F
March 28	1945	81 °F
March 28	1910	85 °F
March 28	1905	80 °F
March 29	1998	81 °F
March 29	1910	82 °F
March 29	1895	80 °F

Latest Days ≥ 80 °F

Date	Year	Temperature
November 8	2020	80 °F
October 31	1950	80 °F
October 31	1900	80 °F
October 30	1922	81 °F
October 30	1901	81 °F
October 30	1900	80 °F
October 29	1922	84 °F
October 29	1900	82 °F
October 28	1900	81 °F
October 27	1897	81 °F
October 26	1963	83 °F
October 26	1902	80 °F
October 26	1900	82 °F
October 25	1963	83 °F
October 25	1902	80 °F
October 25	1900	82 °F
October 25	1899	80 °F
October 24	1921	80 °F
October 24	1920	84 °F
October 24	1899	82 °F