Number of Days of 90 °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 90 degrees Fahrenheit in Dayton, Ohio, between 1893 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1921 holds the record for the most 90 °F days in Dayton history. There were 63 days with a high temperature of at least 90 degrees that year.

How many so far this year (2024)?

It has not reached 90 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 90° F was September 5, 2023.

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

Year	Rank	Days >= 90 °F
2024	120	0
2023	97	9
2022	71	17
2021	68	18
2020	49	24
2019	38	29
2018	51	23
2017	116	3
2016	66	19
2015	86	13
2014	107	6
2013	80	15
2012	25	37
2011	30	31
2010	57	21
2009	114	4
2008	114	4
2007	51	23
2006	99	8
2005	66	19
2004	120	0
2003	118	2
2002	38	29
2001	107	6
2000	120	0
1999	41	28
1998	84	14
1997	111	5
1996	103	7
1995	54	22
1994	61	20
1993	61	20
1992	103	7
1991	43	27
1990	97	9
1989	80	15
1988	15	46
1987	71	17
1986	89	12
1985	107	6
1984	111	5
1983	30	31
1982	99	8
1981	95	10
1980	37	30
1979	107	6
1978	84	14
1977	46	25
1976	103	7
1975	71	17
1974	77	16
1973	57	21
1972	77	16
1971	99	8
1970	86	13
1969	91	11
1968	89	12
1967	99	8
1966	30	31
1965	68	18
1964	25	37
1963	103	7
1962	71	17
1961	111	5
1960	91	11
1959	68	18
1958	120	0
1957	71	17
1956	91	11
1955	43	27
1954	30	31
1953	18	40
1952	28	32
1951	95	10
1950	118	2
1949	54	22
1948	80	15
1947	49	24
1946	54	22
1945	46	25
1944	6	55
1943	20	39
1942	38	29
1941	22	38
1940	43	27
1939	61	20
1938	86	13
1937	80	15
1936	12	50
1935	61	20
1934	16	43
1933	116	3
1932	120	0
1931	120	0
1930	120	0
1929	120	0
1928	120	0
1927	120	0
1926	120	0
1925	120	0
1924	120	0
1923	27	36
1922	22	38
1921	1	63
1920	46	25
1919	5	56
1918	18	40
1917	57	21
1916	17	42
1915	91	11
1914	13	49
1913	7	54
1912	61	20
1911	9	51
1910	28	32
1909	57	21
1908	8	53
1907	77	16
1906	30	31
1905	51	23
1904	71	17
1903	20	39
1902	30	31
1901	9	51
1900	2	62
1899	2	62
1898	14	48
1897	4	58
1896	41	28
1895	22	38
1894	9	51
1893	30	31

Weather Station Details

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