Number of Days of 100 °F in Washington D.C. 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 Washington D.C., between 1851 and 2024.

Also see:

Which year had the most 100° days?

Based on NOAA records, the year 1930 holds the record for the most 100 °F days in Washington D.C. history. There were 11 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 Washington D.C. so far in 2024. As of April 22, the highest temperature this year is 83 °F.

The last time it reached at least 100° F was August 15, 2016.

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

Year	Rank	Days >= 100 °F
2024	52	0
2023	52	0
2022	52	0
2021	52	0
2020	52	0
2019	52	0
2018	52	0
2017	52	0
2016	7	4
2015	52	0
2014	52	0
2013	52	0
2012	2	8
2011	5	5
2010	7	4
2009	52	0
2008	52	0
2007	29	1
2006	29	1
2005	52	0
2004	52	0
2003	52	0
2002	15	2
2001	52	0
2000	52	0
1999	12	3
1998	52	0
1997	5	5
1996	52	0
1995	52	0
1994	29	1
1993	7	4
1992	52	0
1991	15	2
1990	29	1
1989	52	0
1988	3	7
1987	12	3
1986	52	0
1985	52	0
1984	52	0
1983	29	1
1982	52	0
1981	52	0
1980	4	6
1979	52	0
1978	29	1
1977	29	1
1976	52	0
1975	52	0
1974	52	0
1973	52	0
1972	52	0
1971	52	0
1970	52	0
1969	29	1
1968	52	0
1967	52	0
1966	29	1
1965	52	0
1964	29	1
1963	52	0
1962	52	0
1961	52	0
1960	52	0
1959	15	2
1958	52	0
1957	15	2
1956	52	0
1955	52	0
1954	7	4
1953	15	2
1952	29	1
1951	52	0
1950	52	0
1949	52	0
1948	52	0
1947	52	0
1946	52	0
1945	52	0
1944	52	0
1943	29	1
1942	52	0
1941	52	0
1940	29	1
1939	29	1
1938	52	0
1937	52	0
1936	15	2
1935	52	0
1934	15	2
1933	29	1
1932	29	1
1931	52	0
1930	1	11
1929	52	0
1928	52	0
1927	52	0
1926	15	2
1925	29	1
1924	29	1
1923	52	0
1922	52	0
1921	52	0
1920	52	0
1919	15	2
1918	15	2
1917	52	0
1916	52	0
1915	52	0
1914	52	0
1913	52	0
1912	52	0
1911	15	2
1910	52	0
1909	52	0
1908	52	0
1907	52	0
1906	52	0
1905	52	0
1904	52	0
1903	52	0
1902	52	0
1901	15	2
1900	29	1
1899	52	0
1898	15	2
1897	52	0
1896	52	0
1895	52	0
1894	52	0
1893	52	0
1892	52	0
1891	52	0
1890	52	0
1889	52	0
1888	52	0
1887	15	2
1886	52	0
1885	52	0
1884	52	0
1883	52	0
1882	52	0
1881	12	3
1880	52	0
1879	29	1
1878	52	0
1877	52	0
1876	52	0
1875	52	0
1874	7	4
1873	29	1
1872	29	1
1871	52	0
1870	52	0
1869	52	0
1868	52	0
1867	52	0
1866	52	0
1865	52	0
1864	52	0
1863	52	0
1862	52	0
1861	52	0
1860	52	0
1859	52	0
1858	29	1
1857	52	0
1856	52	0
1855	52	0
1854	52	0
1853	52	0
1852	52	0
1851	52	0

Weather Station Details

Years	Station	Coordinates
1945–2024	Washington Reagan Airport	location
1851–1945	Washington D.C.	location