San Diego, CA: Summer

31 August 2026: Summer 2026 averaged 72.1°F in San Diego, CA, the warmest summer since 2018, tied 8th warmest of 152 (with 1931).

Summer 2026

Mean temperature: 72.1°F; Warmest since 2018; 8th warmest of 152
Precipitation: a trace; Driest since 2024; 7th driest of 169

A normal summer in San Diego, CA (1991 to 2020): a mean temperature of 69.6°F, between 67.1°F and 72°F in eight years of ten and 0.03 in of precipitation, between 0.00 in and 0.31 in in eight years of ten.

The mean temperature of every summer in San Diego, CA since 1875: 72.1°F in 2026; the highest is 74.8°F, in 1981.

Normal range, 67.1 to 72°F

Every year, ranked, as a table

Every summer in San Diego, CA from 1851 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	72.1	8	76.8	16	67.4	7	trace	126	0
2025	69	58	73.6	81	64.4	48	0.06	76	1
2024	70.9	22	75.7	29	66.1	19	trace	126	0
2023	69.2	49	74.1	61	64.3	52	1.87	3	0
2022	70.2	29	74.7	42	65.6	27	trace	126	0
2021	71.7	15	76.3	20	67	10	0.24	32	0
2020	71	19	76.1	23	65.9	23	0.14	47	0
2019	69.4	45	73.9	69	64.8	38	0.01	115	0
2018	73.5	3	78.4	3	68.7	3	0.02	107	1
2017	71.3	17	76.1	23	66.5	15	0.02	107	0
2016	70.9	22	75.7	29	66	21	trace	126	0
2015	72.2	6	77.1	13	67.2	8	1.76	4	0
2014	72	10	76.5	18	67.5	6	0.08	68	0
2013	69.2	49	73.6	81	64.8	38	0.05	81	0
2012	69.2	49	73.5	88	64.9	36	trace	126	0
2011	68.2	81	72.6	108	63.8	58	0.03	97	0
2010	65.9	133	69.9	143	61.9	111	0.04	89	0
2009	69.8	36	74.5	47	65.1	33	0.03	97	0
2008	69.6	38	74.1	61	65	35	0.02	107	0
2007	69.5	42	73.8	74	65.2	31	0.00	164	0
2006	73.4	4	78.1	4	68.6	4	0.05	81	0
2005	69.1	54	73.5	88	64.8	38	0.03	97	0
2004	70.2	29	74.1	61	66.3	16	0.00	164	0
2003	69	58	73.1	97	64.9	36	trace	126	0
2002	67.1	114	71.3	124	63	70	trace	126	0
2001	68.7	67	72.8	104	64.6	43	trace	126	0
2000	69.8	36	74.1	61	65.5	28	0.01	115	0
1999	66.4	128	70.8	129	62.1	103	0.04	89	0
1998	69.1	54	73.6	81	64.5	46	0.30	23	0
1997	69.9	33	74	68	65.7	25	trace	126	0
1996	70.2	29	74.8	41	65.7	25	0.09	64	0
1995	68.6	69	74.5	47	62.7	79	0.51	13	0
1994	70.6	26	76	25	65.2	31	0.04	89	0
1993	69.5	42	74.3	55	64.7	42	0.44	16	0
1992	71.6	16	76.9	15	66.3	16	0.12	57	0
1991	66.8	120	71.6	120	62.1	103	0.25	31	0
1990	71	19	76.4	19	65.5	28	0.88	8	0
1989	69	58	73.9	69	64.1	55	0.06	76	0
1988	68.8	66	73.5	88	64.1	55	trace	126	0
1987	67.6	97	72.1	112	63.1	68	0.04	89	0
1986	69.6	38	74.9	39	64.3	52	0.01	115	0
1985	72.2	6	77.4	7	67.1	9	trace	126	0
1984	74.6	2	78.6	2	70.6	1	0.29	25	0
1983	72.7	5	77.6	5	67.9	5	0.40	17	0
1982	70.7	24	75.3	33	66.1	19	0.04	89	0
1981	74.8	1	80.1	1	69.5	2	trace	126	0
1980	71.9	12	77.2	11	66.6	13	0.01	115	0
1979	72	10	77.4	7	66.6	13	0.11	60	0
1978	71.9	12	77.2	11	66.7	12	trace	126	0
1977	70.2	29	74.6	44	65.8	24	2.16	1	0
1976	71.1	18	76.2	21	66	21	0.05	81	0
1975	67.8	91	72.8	104	62.8	76	0.02	107	0
1974	69.5	42	74.6	44	64.4	48	0.03	97	0
1973	69.2	49	74.4	54	63.9	57	trace	126	0
1972	70.7	24	76	25	65.3	30	0.40	17	0
1971	69.9	33	75.3	33	64.6	43	0.04	89	0
1970	69.6	38	74.2	59	65.1	33	trace	126	0
1969	69.3	47	74.1	61	64.4	48	0.03	97	0
1968	69.9	33	75.3	33	64.5	46	0.13	53	0
1967	69.1	54	74.5	47	63.6	60	0.31	21	0
1966	69.4	45	74.5	47	64.4	48	trace	126	0
1965	67.8	91	73.1	97	62.6	85	0.03	97	0
1964	68	86	73.7	76	62.3	94	0.08	68	0
1963	68.3	78	74.5	47	62.2	98	0.28	27	0
1962	67.6	97	73.6	81	61.6	117	0.09	64	0
1961	69.2	49	74.9	39	63.4	63	0.04	89	0
1960	69.6	38	76.2	21	63	70	trace	126	0
1959	71.8	14	77.5	6	66.2	18	trace	126	0
1958	70.4	27	76	25	64.8	38	trace	126	0
1957	71	19	77.3	9	64.6	43	0.26	29	0
1956	68.5	72	74.3	55	62.7	79	trace	126	0
1955	68.5	72	74.3	55	62.7	79	0.11	60	0
1954	69.3	47	75.1	38	63.6	60	0.03	97	0
1953	68.5	72	74.2	59	62.8	76	0.14	47	0
1952	67.5	101	73.6	81	61.4	124	0.14	47	0
1951	68	86	73.7	76	62.3	94	0.85	9	0
1950	67.3	110	73.4	93	61.3	126	0.08	68	0
1949	68.9	63	75.3	33	62.5	88	trace	126	0
1948	66.6	124	73.2	94	60.1	145	0.02	107	0
1947	69	58	76.6	17	61.5	118	trace	126	0
1946	70.4	27	77.3	9	63.5	62	trace	126	1
1945	68.7	67	74.5	47	62.8	76	1.02	6	0
1944	66.8	120	73.7	76	59.8	149	0.10	63	0
1943	68.5	72	75.8	28	61.2	128	0.01	115	0
1942	68.2	81	74.6	44	61.8	114	0.01	115	0
1941	68.9	63	75.7	29	62.1	103	0.09	64	0
1940	67.6	97	73.7	76	61.5	118	trace	126	0
1939	68.3	78	74.1	61	62.6	85	trace	126	0
1938	66.5	126	71.1	126	62	109	0.04	89	0
1937	67.4	105	72	115	62.7	79	0.17	41	0
1936	69.1	54	73.9	69	64.2	54	0.30	23	1
1935	67.3	110	72.1	112	62.5	88	0.18	37	0
1934	67.4	105	71.8	119	63	70	0.49	14	0
1933	64.6	149	69.3	147	59.9	147	0.11	60	0
1932	65.2	143	69.8	144	60.5	142	0.01	115	0
1931	72.1	8	77.1	13	67	10	0.09	64	0
1930	68.2	81	73.5	88	63	70	0.02	107	0
1929	68.9	63	74.1	61	63.7	59	trace	126	0
1928	65.9	133	70.5	133	61.4	124	0.12	57	0
1927	67.2	113	72	115	62.3	94	0.13	53	0
1926	67.8	91	72.3	111	63.2	66	0.06	76	0
1925	67.9	89	72.7	106	63.2	66	0.16	44	0
1924	66.5	126	71.5	121	61.5	118	trace	126	0
1923	65.7	135	70.5	133	60.9	134	0.05	81	0
1922	67.6	97	72.7	106	62.5	88	0.01	115	0
1921	66.6	124	71.2	125	62.1	103	trace	126	0
1920	67.1	114	71.9	117	62.2	98	0.03	97	0
1919	67.7	95	72.9	102	62.5	88	0.01	115	0
1918	68.2	81	73.1	97	63.4	63	0.17	41	0
1917	67.1	114	72.1	112	62.1	103	trace	126	0
1916	64.5	150	69.2	148	59.9	147	0.03	97	0
1915	67.3	110	72.5	109	62.1	103	trace	126	0
1914	65.3	140	69.7	145	60.9	134	trace	126	0
1913	66.7	123	71.5	121	61.8	114	0.17	41	0
1912	65.5	137	70.1	139	61	132	0.56	12	0
1911	65.3	140	70.4	136	60.3	143	0.13	53	0
1910	65.6	136	70.3	137	60.9	134	0.06	76	0
1909	65.4	139	70	141	60.8	138	trace	126	0
1908	65	145	69.2	148	60.8	138	0.64	11	0
1907	66.1	129	70.9	127	61.2	128	0.22	35	0
1906	67.4	105	72.4	110	62.3	94	0.13	53	0
1905	65.1	144	69.1	150	61.2	128	0.16	44	0
1904	67.4	105	71.9	117	63	70	trace	126	0
1903	66	132	70.5	133	61.5	118	trace	126	0
1902	64.8	147	68.8	151	60.8	138	0.92	7	0
1901	65.5	137	69.4	146	61.7	116	0.02	107	0
1900	66.1	129	70.2	138	62	109	0.08	68	0
1899	64.3	152	68.4	152	60.2	144	0.34	20	0
1898	67.1	114	71.5	121	62.7	79	0.02	107	0
1897	66.8	120	70.8	129	62.7	79	0.01	115	0
1896	67.7	95	73.2	94	62.2	98	0.14	47	0
1895	65.3	140	70.6	131	60	146	0.00	164	0
1894	64.4	151	70	141	58.8	152	0.05	81	0
1893	66.9	118	73	101	60.9	134	trace	126	0
1892	64.9	146	70.6	131	59.3	151	0.18	37	0
1891	68.4	77	74.3	55	62.5	88	0.05	81	0
1890	67.5	101	73.6	81	61.5	118	trace	126	0
1889	67.5	101	73.1	97	61.9	111	0.14	47	0
1888	68	86	73.8	74	62.2	98	0.05	81	0
1887	66.1	129	70.9	127	61.3	126	0.05	81	0
1886	67.9	89	73.6	81	62.2	98	0.07	73	0
1885	68.6	69	74.7	42	62.5	88	0.19	36	0
1884	68.3	78	75.4	32	61.1	131	0.31	21	0
1883	69	58	75.2	37	62.9	75	0.08	68	0
1882	67.8	91	73.7	76	61.9	111	0.07	73	0
1881	66.9	118	72.9	102	61	132	0.06	76	0
1880	64.8	147	70.1	139	59.5	150	0.47	15	0
1879	67.4	105	73.9	69	60.8	138	0.07	73	0
1878	67.5	101	73.5	88	61.5	118	0.16	44	0
1877	68.5	72	74.5	47	62.6	85	trace	126	0
1876	68.2	81	73.2	94	63.1	68	0.14	47	0
1875	68.6	69	73.9	69	63.3	65	0.23	33	0
1874							0.12	57	92
1873							1.95	2	92
1872							0.18	37	92
1865							0.82	10	92
1864							0.23	33	92
1863							0.00	164	92
1862							0.29	25	92
1861							0.03	97	92
1860							0.27	28	92
1858							0.18	37	92
1857							trace	126	92
1856							0.00	164	92
1855							0.00	164	92
1854							1.44	5	92
1853							0.26	29	92
1852							0.40	17	92
1851							0.01	115	92

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
1981	74.8
1984	74.6
2018	73.5
2006	73.4
1983	72.7
2015	72.2
1985	72.2
2026	72.1
1931	72.1
2014	72
More years share the last value

Coldest
Year	Mean, °F
1899	64.3
1894	64.4
1916	64.5
1933	64.6
1902	64.8
1880	64.8
1892	64.9
1908	65
1905	65.1
1932	65.2

Wettest
Year	Precipitation, in
1977	2.16
1873	1.95
2023	1.87
2015	1.76
1854	1.44
1945	1.02
1902	0.92
1990	0.88
1951	0.85
1865	0.82

Driest
Year	Precipitation, in
2007	0.00
2004	0.00
1895	0.00
1863	0.00
1856	0.00
1855	0.00
2026	trace
2024	trace
2022	trace
2016	trace
More years share the last value

The hottest, coldest and wettest days

Hottest day: 89°F; 26 August 2026
Coldest night: 61°F; 2 June 2026

Every month, season and year

Months

Seasons

Years

San Diego, CA the day's answers

All-time records

Every answer in words

Summer 2026 brought a trace of precipitation in San Diego, CA, the driest summer since 2024, tied 7th driest of 169 (with 2024, 2022, 2016 and 34 other years).
The hottest day of summer 2026 in San Diego, CA: 89°F on Wednesday 26 August 2026.
The coldest night of summer 2026 in San Diego, CA: a low of 61°F on Tuesday 2 June 2026.