Average May Temperature in Washington D.C. by Year

This page contains a list of the average monthly high and low temperatures in Washington D.C. for the month of May each year between 1858 and 2023. It is based on NOAA data.

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What Was the Hottest May Ever in Washington D.C.?

2015 was the warmest May in the history of Washington D.C.. The average daily high temperature was 82.7 °F, and the average low was 63.8 °F.

What Was the Coldest May Ever in Washington D.C.?

1882 was the coolest May in the history of Washington D.C.. The average daily high temperature was 68.3 °F, and the average low was 50.0 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	76	74.8	55.2
2022	33	76.4	59.1
2021	54	76.4	55.7
2020	111	72.3	55.2
2019	7	79.5	62.5
2018	3	81.5	63.3
2017	63	73.9	57.1
2016	108	71.3	56.5
2015	1	82.7	63.8
2014	22	78.0	58.9
2013	51	75.8	57.5
2012	6	80.1	62.7
2011	24	77.3	59.3
2010	16	78.3	60.3
2009	62	73.8	57.2
2008	84	74.3	55.2
2007	31	77.6	58.0
2006	74	74.9	55.2
2005	139	70.9	52.8
2004	4	80.6	62.9
2003	141	68.3	55.1
2002	68	75.4	55.0
2001	57	75.0	56.7
2000	32	77.0	58.6
1999	41	77.9	56.7
1998	36	75.8	59.1
1997	125	74.0	51.8
1996	107	72.6	55.1
1995	60	75.3	56.3
1994	122	74.1	52.0
1993	38	77.2	57.5
1992	135	71.9	52.7
1991	2	83.1	62.8
1990	102	73.1	55.3
1989	105	72.8	55.3
1988	61	75.4	56.2
1987	42	77.2	57.2
1986	29	78.9	57.2
1985	28	77.1	59.1
1984	83	74.1	55.6
1983	82	74.4	55.4
1982	19	79.0	59.0
1981	53	75.7	56.7
1980	14	79.0	60.0
1979	34	76.3	59.0
1978	59	74.5	57.1
1977	15	79.9	58.9
1976	78	75.0	55.0
1975	12	79.2	60.2
1974	71	74.9	55.3
1973	127	72.3	53.3
1972	89	73.6	55.5
1971	114	73.3	54.1
1970	25	79.4	57.1
1969	23	79.8	57.0
1968	115	74.1	53.3
1967	150	70.7	49.3
1966	77	75.9	54.1
1965	17	80.8	57.4
1964	27	79.5	56.7
1963	81	75.2	54.6
1962	21	78.2	59.1
1961	138	71.7	52.7
1960	116	72.8	54.6
1959	11	79.2	60.3
1958	67	74.4	56.0
1957	43	77.3	57.0
1956	117	74.1	53.0
1955	45	76.5	57.7
1954	128	71.6	53.6
1953	10	79.2	60.8
1952	103	73.4	55.0
1951	79	75.2	54.6
1950	90	73.1	55.9
1949	55	76.2	55.7
1948	87	73.7	55.5
1947	88	74.6	54.5
1946	65	74.9	55.7
1945	126	73.0	52.7
1944	5	82.3	60.8
1943	46	76.9	57.3
1942	18	78.7	59.5
1941	49	78.7	54.9
1940	94	73.7	55.2
1939	30	79.1	56.9
1938	119	72.3	54.5
1937	58	76.6	55.1
1936	37	78.7	56.2
1935	140	71.3	52.3
1934	52	77.1	55.9
1933	44	76.1	58.2
1932	104	74.3	54.0
1931	73	75.1	55.1
1930	40	78.3	56.3
1929	92	74.9	54.1
1928	121	73.6	52.6
1927	106	73.2	54.8
1926	101	76.3	52.3
1925	147	72.5	48.7
1924	148	69.3	50.7
1923	118	74.9	51.9
1922	48	77.2	56.5
1921	137	71.8	52.8
1920	149	70.0	50.0
1919	86	74.3	55.0
1918	13	80.6	58.5
1917	151	68.8	50.4
1916	50	76.7	56.7
1915	131	72.4	52.6
1914	47	78.5	55.4
1913	98	75.3	53.4
1912	72	76.0	54.2
1911	9	82.8	57.3
1910	144	71.5	51.4
1909	99	75.2	53.5
1908	66	74.3	56.3
1907	152	69.1	49.4
1906	100	75.4	53.3
1905	69	75.5	54.9
1904	75	75.8	54.2
1903	91	75.2	53.7
1902	64	76.2	54.5
1901	130	72.1	52.9
1900	93	76.9	52.1
1899	97	74.9	53.8
1898	95	74.1	54.8
1897	134	72.3	52.3
1896	20	78.6	59.0
1895	129	72.2	53.0
1894	56	75.7	56.0
1893	142	72.0	51.2
1892	110	73.7	53.9
1891	146	70.8	52.0
1890	109	73.2	54.5
1889	85	74.8	54.5
1888	123	71.4	54.5
1887	26	78.2	58.1
1886	136	70.8	53.8
1885	133	71.2	53.5
1884	80	75.3	54.6
1883	113	74.8	52.7
1882	153	68.3	50.0
1881	35	77.6	57.7
1880	8	81.5	59.6
1879	70	75.4	55.0
1878	132	71.8	53.0
1877	143	72.1	51.1
1876	96	74.4	54.4
1875	120	74.3	52.0
1874	124	74.0	51.8
1873	112	73.3	54.1
1872	39	78.5	56.1
1858	145	68.7	54.2

Weather Station Details

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