Average August 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 August each year between 1851 and 2023. It is based on NOAA data.

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

1980 was the warmest August in the history of Washington D.C.. The average daily high temperature was 92.0 °F, and the average low was 73.6 °F.

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

1927 was the coolest August in the history of Washington D.C.. The average daily high temperature was 78.7 °F, and the average low was 61.2 °F.

* click column headers to sort

Year	Rank	High (°F)	Low (°F)
2023	41	86.4	71.0
2022	12	89.2	71.7
2021	9	89.0	72.7
2020	26	87.0	72.2
2019	16	88.8	71.4
2018	6	88.8	73.2
2017	56	84.6	70.2
2016	2	91.7	73.7
2015	29	88.0	70.5
2014	51	85.7	69.7
2013	60	84.7	69.4
2012	8	89.5	72.4
2011	20	88.6	71.3
2010	14	88.4	71.9
2009	22	88.4	71.3
2008	47	86.6	69.1
2007	23	88.3	71.1
2006	11	89.2	71.9
2005	15	87.9	72.3
2004	92	82.9	68.8
2003	37	85.9	71.6
2002	5	90.4	71.8
2001	34	86.7	71.1
2000	109	82.4	67.8
1999	25	88.8	70.5
1998	28	89.0	69.9
1997	53	87.3	67.9
1996	74	85.0	68.0
1995	3	90.7	71.8
1994	101	83.8	67.1
1993	27	89.0	70.1
1992	129	82.3	65.5
1991	19	89.2	70.8
1990	75	84.2	68.8
1989	63	84.7	69.4
1988	10	89.7	71.6
1987	40	87.3	70.1
1986	119	82.5	66.7
1985	69	84.6	68.8
1984	49	85.3	70.3
1983	7	89.9	72.0
1982	105	83.9	66.8
1981	62	85.3	68.7
1980	1	92.0	73.6
1979	43	86.2	70.7
1978	4	88.7	73.8
1977	36	87.4	70.1
1976	71	85.5	67.9
1975	17	88.7	71.4
1974	44	87.0	69.7
1973	21	88.6	71.2
1972	89	84.6	67.2
1971	72	86.0	67.3
1970	33	88.5	69.4
1969	80	85.6	67.0
1968	30	88.6	69.8
1967	83	85.0	67.3
1966	39	88.5	68.9
1965	58	86.9	67.5
1964	100	85.3	65.7
1963	103	85.5	65.2
1962	70	86.1	67.4
1961	55	85.4	69.7
1960	42	86.9	70.1
1959	13	88.1	72.4
1958	102	83.4	67.4
1957	97	85.2	66.1
1956	112	83.3	66.6
1955	45	85.7	70.9
1954	107	83.4	66.9
1953	79	85.9	66.7
1952	84	84.6	67.7
1951	68	85.3	68.2
1950	98	83.8	67.3
1949	54	85.5	69.7
1948	93	84.8	66.8
1947	32	87.1	70.8
1946	149	80.8	64.2
1945	116	83.8	65.8
1944	81	86.0	66.5
1943	31	89.7	68.3
1942	110	83.2	66.9
1941	86	85.7	66.5
1940	138	80.2	66.6
1939	35	87.5	70.2
1938	38	88.1	69.2
1937	48	86.3	69.4
1936	46	87.1	68.7
1935	66	85.1	68.5
1934	125	82.7	65.5
1933	88	84.3	67.6
1932	50	88.3	67.3
1931	99	84.3	66.9
1930	65	87.8	65.9
1929	121	83.9	65.0
1928	61	85.9	68.2
1927	154	78.7	61.2
1926	78	85.0	67.7
1925	143	83.3	62.8
1924	115	85.1	64.6
1923	123	83.7	65.0
1922	141	82.0	64.1
1921	144	82.5	63.0
1920	114	82.6	67.2
1919	133	82.9	64.3
1918	52	87.6	67.7
1917	90	85.3	66.5
1916	108	85.2	65.1
1915	126	82.9	65.2
1914	77	86.4	66.4
1913	124	84.0	64.4
1912	135	82.9	64.0
1911	73	85.9	67.3
1910	131	82.6	65.1
1909	142	82.9	63.2
1908	140	82.0	64.3
1907	151	81.3	63.4
1906	76	83.5	69.4
1905	132	82.2	65.1
1904	152	81.4	63.2
1903	153	79.4	64.2
1902	148	83.0	62.1
1901	85	84.0	68.2
1900	24	89.7	69.6
1899	117	83.6	66.0
1898	64	85.7	68.1
1897	136	83.3	63.6
1896	95	86.0	65.6
1895	59	87.6	66.8
1894	127	83.2	64.7
1893	118	84.9	64.4
1892	82	85.7	66.8
1891	120	82.9	66.1
1890	134	82.0	65.1
1889	150	81.3	63.6
1888	91	85.5	66.3
1887	139	82.0	64.6
1886	137	82.0	64.8
1885	130	82.6	65.1
1884	106	84.3	66.1
1883	147	82.4	62.7
1882	122	82.7	66.1
1881	57	88.3	66.3
1880	104	83.9	66.8
1879	113	83.9	66.0
1878	94	84.2	67.4
1877	67	86.1	67.4
1876	96	83.9	67.5
1875	146	80.0	65.3
1874	145	82.9	62.6
1873	87	84.6	67.4
1872	18	89.3	70.7
1858	111	83.1	66.9
1851	128	81.9	66.0

Weather Station Details

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