Washington, DC: Summer

31 August 2026: Summer 2026 averaged 79.9°F in Washington, DC, the warmest summer since 2024, 8th warmest of 155.

Summer 2026

Mean temperature: 79.9°F; Warmest since 2024; 8th warmest of 155
Precipitation: 9.53 in; Driest since 2025; 42nd driest of 156

A normal summer in Washington, DC (1991 to 2020): a mean temperature of 78.8°F, between 76°F and 80.4°F in eight years of ten and 10.72 in of precipitation, between 7.23 in and 18.31 in in eight years of ten.

The mean temperature of every summer in Washington, DC since 1872: 79.9°F in 2026; the highest is 81.3°F, in 2010.

Normal range, 76 to 80.4°F

Every year, ranked, as a table

Every summer in Washington, DC from 1871 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	79.9	8	88.8	12	70.9	10	9.53	115	0
2025	78.4	34	86.7	48	70.1	22	9.22	120	0
2024	80.9	3	89.8	3	72.1	2	10.55	94	0
2023	78.1	38	86.8	40	69.5	36	12.27	68	0
2022	79.2	17	87.6	26	70.8	11	12.99	54	0
2021	79.5	10	87.8	23	71.1	9	18.82	11	0
2020	80.2	6	88.4	17	72	4	18.75	13	0
2019	79.5	10	88.3	19	70.8	11	12.75	60	0
2018	79.3	14	87.3	31	71.3	7	20.13	6	0
2017	78.8	26	87	36	70.6	16	14.86	39	0
2016	80.6	4	89.4	5	71.8	5	9.60	112	0
2015	79.6	9	87.8	23	71.5	6	18.11	17	0
2014	78.1	38	86.4	53	69.8	29	11.38	81	0
2013	78.3	36	85.8	66	70.8	11	15.74	31	0
2012	80.4	5	89.5	4	71.3	7	7.97	132	0
2011	81.1	2	90	2	72.1	2	13.63	51	0
2010	81.3	1	90.2	1	72.4	1	9.63	110	0
2009	76.8	62	85.3	82	68.4	50	9.39	116	0
2008	78.8	26	87.8	23	69.9	25	9.63	110	0
2007	78.4	34	87.4	29	69.3	38	7.25	141	0
2006	78.5	32	87.2	34	69.9	25	18.61	15	0
2005	78.8	26	86.8	40	70.7	15	11.26	85	0
2004	76	88	83.4	134	68.5	46	16.67	24	0
2003	76	88	83.5	131	68.5	46	18.28	16	0
2002	79.4	12	88.7	13	70.1	22	7.64	136	0
2001	76.5	71	84.7	101	68.3	53	12.45	66	0
2000	74.8	123	82.5	147	67.2	76	14.21	43	0
1999	79.1	20	88.5	15	69.8	29	8.29	129	0
1998	77.1	53	86.1	57	68.2	57	6.80	145	0
1997	77.1	53	86.8	40	67.3	74	7.59	137	0
1996	77.1	53	85.6	71	68.6	44	11.37	82	0
1995	79.2	17	88.1	20	70.2	20	7.33	138	0
1994	78.9	23	88.1	20	69.6	35	9.55	114	0
1993	79.3	14	88.9	10	69.8	29	6.96	144	0
1992	75.1	114	83.8	121	66.4	97	10.17	101	0
1991	79.4	12	88.9	10	70	24	7.06	143	0
1990	76.9	59	85.6	71	68.3	53	13.66	49	0
1989	77.4	48	85	93	69.7	34	12.83	57	0
1988	79	22	89.1	8	68.9	40	7.08	142	0
1987	79.2	17	88.5	15	69.9	25	8.56	125	0
1986	77.4	48	86.7	48	68.2	57	10.41	98	0
1985	76.1	81	84.5	105	67.6	67	7.31	140	0
1984	77.1	53	85.3	82	68.8	42	8.40	128	0
1983	79.1	20	88	22	70.2	20	11.98	73	0
1982	76.1	81	84.3	111	68	62	11.07	89	0
1981	78.6	30	86.8	40	70.5	17	11.26	85	0
1980	80	7	89.3	6	70.8	11	6.65	146	0
1979	76.5	71	84.6	103	68.5	46	11.83	76	0
1978	78.9	23	87.4	29	70.5	17	12.56	65	0
1977	78	40	87.1	35	68.9	40	12.08	71	0
1976	77.6	45	86.7	48	68.4	50	7.88	134	0
1975	78.6	30	86.8	40	70.3	19	12.85	56	0
1974	76.3	77	85.4	77	67.2	76	10.32	99	0
1973	78.8	26	87.6	26	69.9	25	9.20	121	0
1972	74.5	130	82.8	143	66.3	101	17.78	19	0
1971	77	58	86	62	67.9	63	13.87	47	0
1970	77.8	43	87.5	28	68.1	60	12.01	72	0
1969	77.6	45	86.8	40	68.5	46	19.88	7	0
1968	77.8	43	87.3	31	68.3	53	12.66	62	0
1967	76	88	85.6	71	66.4	97	15.92	30	0
1966	78.5	32	89	9	68.1	60	4.62	155	0
1965	76	88	85.9	63	66.1	106	9.30	118	0
1964	76.8	62	86.9	38	66.8	86	5.06	153	0
1963	75.6	97	85.4	77	65.7	115	16.03	29	0
1962	75.3	105	84	119	66.5	92	4.62	155	0
1961	76.5	71	85.1	90	67.9	63	15.10	38	0
1960	76.6	68	85.4	77	67.7	65	11.26	85	0
1959	78.3	36	86.7	48	69.8	29	12.60	63	0
1958	75.3	105	83.8	121	66.8	86	16.85	21	0
1957	77.1	53	86.8	40	67.4	72	6.51	148	0
1956	74.6	126	83.1	138	66	108	10.48	96	0
1955	76.9	59	85.2	87	68.6	44	19.39	9	0
1954	76.1	81	85.8	66	66.4	97	6.09	150	0
1953	76.8	62	86.2	55	67.5	69	9.18	122	0
1952	77.9	41	87	36	68.7	43	12.72	61	0
1951	76.3	77	85.2	87	67.4	72	13.69	48	0
1950	75.2	108	83.8	121	66.7	90	15.57	33	0
1949	77.9	41	86.1	57	69.8	29	10.73	93	0
1948	75.9	92	85	93	66.9	82	18.75	13	0
1947	75.4	100	83.7	127	67.1	79	12.14	70	0
1946	73.7	143	83	141	64.5	141	10.29	100	0
1945	75.3	105	84.2	115	66.3	101	18.81	12	0
1944	76.8	62	86.8	40	66.8	86	11.71	79	0
1943	78.9	23	88.4	17	69.4	37	4.63	154	0
1942	76.1	81	84.6	103	67.6	67	20.24	5	0
1941	75.6	97	84.7	101	66.5	92	11.97	74	0
1940	75.2	108	84	119	66.5	92	11.59	80	0
1939	76.8	62	85.4	77	68.3	53	9.78	107	0
1938	76.6	68	86.1	57	67.2	76	11.96	75	0
1937	76.7	67	85.7	68	67.7	65	15.60	32	0
1936	76.4	76	85.9	63	66.9	82	9.97	105	0
1935	76.6	68	85.7	68	67.5	69	8.08	131	0
1934	77.4	48	86.5	52	68.2	57	10.96	90	0
1933	75.6	97	85	93	66.2	104	20.50	4	0
1932	76.2	79	86.1	57	66.3	101	6.63	147	0
1931	76.2	79	85.3	82	67.1	79	12.27	68	0
1930	77.5	47	88.6	14	66.4	97	6.11	149	0
1929	74.6	126	84.5	105	64.7	134	10.00	104	0
1928	75.4	100	84.3	111	66.5	92	19.24	10	0
1927	71.7	153	81	152	62.3	154	9.67	109	0
1926	74.1	137	83.6	128	64.6	140	11.36	83	0
1925	75.7	95	86.1	57	65.3	124	9.24	119	0
1924	73.7	143	83.5	131	64	147	11.72	78	0
1923	75.2	108	85	93	65.5	121	9.91	106	0
1922	74.7	124	83.4	134	66	108	16.77	23	0
1921	75.4	100	85.4	77	65.5	121	9.34	117	0
1920	73.8	140	83.2	137	64.5	141	15.21	36	0
1919	74.9	118	84.1	117	65.7	115	13.65	50	0
1918	74.3	133	84.4	109	64.3	143	7.73	135	0
1917	75.1	114	84.4	109	65.7	115	16.43	26	0
1916	74.3	133	83.6	128	64.9	130	15.33	35	0
1915	73.6	146	83.1	138	64.1	145	16.79	22	0
1914	75.4	100	85.2	87	65.7	115	14.52	41	0
1913	74.9	118	85.1	90	64.7	134	10.47	97	0
1912	73.3	147	82.7	144	63.9	149	13.07	53	0
1911	76.1	81	86.2	55	66	108	16.29	27	0
1910	73.8	140	82.9	142	64.7	134	9.76	108	0
1909	73.7	143	83.5	131	64	147	7.89	133	0
1908	74.3	133	83.8	121	64.9	130	10.16	102	0
1907	71.4	155	80.7	154	62.1	155	10.75	92	0
1906	74.9	118	83.1	138	66.7	90	27.05	1	0
1905	73.9	139	82.5	147	65.3	124	24.22	2	0
1904	72.6	151	81.7	149	63.5	151	14.71	40	0
1903	71.7	153	80.4	155	63	153	13.29	52	0
1902	73.8	140	84.3	111	63.4	152	8.09	130	0
1901	76.1	81	85.3	82	66.9	82	13.95	45	0
1900	76.9	59	86.9	38	66.9	82	14.47	42	0
1899	75.2	108	84.8	99	65.6	120	12.29	67	0
1898	76.5	71	85.9	63	67	81	12.95	55	0
1897	73.3	147	82.6	146	64.1	145	11.73	77	0
1896	74.6	126	83.8	121	65.5	121	8.73	123	0
1895	74.9	118	84.8	99	65	128	10.10	103	0
1894	75.2	108	85.3	82	65	128	5.38	152	0
1893	74.7	124	84.5	105	64.9	130	5.57	151	0
1892	76.1	81	85.5	75	66.8	86	8.48	126	0
1891	72.7	150	81.7	149	63.7	150	17.19	20	0
1890	74.4	132	83.6	128	65.3	124	10.76	91	0
1889	73	149	81.3	151	64.7	134	16.21	28	0
1888	74	138	83.3	136	64.7	134	11.35	84	0
1887	75.1	114	84.1	117	66.1	106	8.62	124	0
1886	72.6	151	80.9	153	64.3	143	19.81	8	0
1885	74.5	130	83.8	121	65.3	124	12.82	58	0
1884	74.6	126	84.3	111	64.8	133	15.35	34	0
1883	74.9	118	85	93	64.7	134	16.58	25	0
1882	75.1	114	84.5	105	65.8	112	11.23	88	0
1881	75.7	95	85.7	68	65.7	115	8.45	127	0
1880	75.8	93	85.1	90	66.5	92	9.60	112	0
1879	75.4	100	85	93	65.8	112	14.01	44	0
1878	75.2	108	84.2	115	66.2	104	23.59	3	0
1877	76.5	71	85.5	75	67.5	69	15.16	37	0
1876	77.4	48	86.3	54	68.4	50	13.88	46	0
1875	74.3	133	82.7	144	65.8	112	18.04	18	0
1874	75.8	93	85.6	71	66	108	7.32	139	0
1873	77.3	52	87.3	31	67.3	74	12.76	59	0
1872	79.3	14	89.2	7	69.3	38	10.52	95	0
1871							12.57	64	92

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2010	81.3
2011	81.1
2024	80.9
2016	80.6
2012	80.4
2020	80.2
1980	80
2026	79.9
2015	79.6
2021	79.5
More years share the last value

Coldest
Year	Mean, °F
1907	71.4
1927	71.7
1903	71.7
1904	72.6
1886	72.6
1891	72.7
1889	73
1912	73.3
1897	73.3
1915	73.6

Wettest
Year	Precipitation, in
1906	27.05
1905	24.22
1878	23.59
1933	20.50
1942	20.24
2018	20.13
1969	19.88
1886	19.81
1955	19.39
1928	19.24

Driest
Year	Precipitation, in
1966	4.62
1962	4.62
1943	4.63
1964	5.06
1894	5.38
1893	5.57
1954	6.09
1930	6.11
1957	6.51
1932	6.63

The hottest, coldest and wettest days

Hottest day: 103°F; 4 July 2026
Coldest night: 55°F; 2 June 2026
Wettest day: 1.74 in; 2 August 2026

Every month, season and year

Months

Seasons

Years

Washington, DC the day's answers

All-time records

Every answer in words

Summer 2026 brought 9.53 in of precipitation in Washington, DC, the driest summer since 2025, 42nd driest of 156.
The hottest day of summer 2026 in Washington, DC: 103°F on Saturday 4 July 2026.
The coldest night of summer 2026 in Washington, DC: a low of 55°F on Tuesday 2 June 2026.
The wettest day of summer 2026 in Washington, DC: 1.74 in on Sunday 2 August 2026.