Number of Days of 90 °F in Wilmington 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 Wilmington, Delaware, between 1894 and 2024.

Also see:

Which year had the most 90° days?

Based on NOAA records, the year 1895 holds the record for the most 90 °F days in Wilmington history. There were 59 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 Wilmington so far in 2024. As of April 30, the highest temperature this year is 89 °F.

The last time it reached at least 90° F was September 8, 2023.

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

Year	Rank	Days >= 90 °F
2024	111	0
2023	24	29
2022	15	33
2021	10	35
2020	38	23
2019	22	31
2018	24	29
2017	43	22
2016	5	40
2015	54	19
2014	80	13
2013	54	19
2012	15	33
2011	29	27
2010	4	44
2009	103	6
2008	44	21
2007	34	25
2006	44	21
2005	49	20
2004	109	1
2003	91	10
2002	15	33
2001	96	9
2000	98	8
1999	10	35
1998	61	17
1997	49	20
1996	101	7
1995	20	32
1994	49	20
1993	8	37
1992	80	13
1991	8	37
1990	76	14
1989	68	16
1988	7	38
1987	34	25
1986	61	17
1985	61	17
1984	54	19
1983	5	40
1982	68	16
1981	58	18
1980	15	33
1979	80	13
1978	87	11
1977	61	17
1976	87	11
1975	84	12
1974	61	17
1973	36	24
1972	58	18
1971	76	14
1970	44	21
1969	101	7
1968	31	26
1967	109	1
1966	24	29
1965	68	16
1964	44	21
1963	61	17
1962	76	14
1961	75	15
1960	106	4
1959	31	26
1958	104	5
1957	31	26
1956	68	16
1955	12	34
1954	24	29
1953	12	34
1952	23	30
1951	76	14
1950	80	13
1949	24	29
1948	54	19
1947	98	8
1946	107	2
1945	68	16
1944	15	33
1943	20	32
1942	91	10
1941	12	34
1940	68	16
1939	38	23
1938	87	11
1937	61	17
1936	38	23
1935	91	10
1934	49	20
1933	68	16
1932	91	10
1931	38	23
1930	36	24
1929	49	20
1928	87	11
1927	96	9
1926	84	12
1925	29	27
1924	91	10
1923	44	21
1922	98	8
1921	38	23
1920	107	2
1919	84	12
1918	58	18
1917	104	5
1916	111	0
1915	111	0
1914	111	0
1913	111	0
1912	111	0
1911	111	0
1910	111	0
1909	111	0
1908	111	0
1907	111	0
1906	111	0
1905	111	0
1904	111	0
1903	111	0
1902	111	0
1901	111	0
1900	111	0
1899	111	0
1898	111	0
1897	111	0
1896	2	55
1895	1	59
1894	3	49

Weather Station Details

Years	Station	Coordinates
1948–2024	New Castle Airport	location
1932–1947	Wilmington Porter Research	location
1894–1931	Wilmington City Hall	location