Number of Days of 100 °F in Dayton by Year

This page contains a list of the number of days in each year that the high temperature equaled or exceeded 100 degrees Fahrenheit in Dayton, Ohio, between 1893 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 1936 holds the record for the most 100 °F days in Dayton history. There were 10 days with a high temperature of at least 100 degrees that year.

How many so far this year (2024)?

It has not reached 100 degrees Fahrenheit in Dayton so far in 2024. As of April 30, the highest temperature this year is 84 °F.

The last time it reached at least 100° F was July 7, 2012.

Years marked with a gold background have more than 5% incomplete data
Click column headers to sort

Year	Rank	Days >= 100 °F
2024	22	0
2023	22	0
2022	22	0
2021	22	0
2020	22	0
2019	22	0
2018	22	0
2017	22	0
2016	22	0
2015	22	0
2014	22	0
2013	22	0
2012	12	3
2011	22	0
2010	22	0
2009	22	0
2008	22	0
2007	22	0
2006	22	0
2005	22	0
2004	22	0
2003	22	0
2002	22	0
2001	22	0
2000	22	0
1999	22	0
1998	22	0
1997	22	0
1996	22	0
1995	22	0
1994	22	0
1993	22	0
1992	22	0
1991	22	0
1990	22	0
1989	22	0
1988	4	7
1987	22	0
1986	22	0
1985	22	0
1984	22	0
1983	22	0
1982	22	0
1981	22	0
1980	16	1
1979	22	0
1978	22	0
1977	22	0
1976	22	0
1975	22	0
1974	22	0
1973	22	0
1972	22	0
1971	22	0
1970	22	0
1969	22	0
1968	22	0
1967	22	0
1966	22	0
1965	16	1
1964	16	1
1963	22	0
1962	22	0
1961	22	0
1960	22	0
1959	22	0
1958	22	0
1957	22	0
1956	22	0
1955	22	0
1954	15	2
1953	22	0
1952	22	0
1951	16	1
1950	22	0
1949	22	0
1948	22	0
1947	22	0
1946	22	0
1945	22	0
1944	8	4
1943	22	0
1942	16	1
1941	8	4
1940	22	0
1939	22	0
1938	22	0
1937	22	0
1936	1	10
1935	22	0
1934	4	7
1933	22	0
1932	22	0
1931	22	0
1930	22	0
1929	22	0
1928	22	0
1927	22	0
1926	22	0
1925	22	0
1924	22	0
1923	22	0
1922	22	0
1921	8	4
1920	22	0
1919	22	0
1918	12	3
1917	22	0
1916	7	5
1915	22	0
1914	12	3
1913	8	4
1912	22	0
1911	4	7
1910	22	0
1909	22	0
1908	22	0
1907	22	0
1906	22	0
1905	22	0
1904	22	0
1903	22	0
1902	22	0
1901	3	8
1900	22	0
1899	16	1
1898	22	0
1897	1	10
1896	22	0
1895	22	0
1894	22	0
1893	22	0

Weather Station Details

Years	Station	Coordinates
1948–2024	Dayton International Airport	location
1893–1947	Dayton	location