San Antonio, TX: Summer

31 August 2026: Summer 2026 averaged 85.7°F in San Antonio, TX, the warmest summer since 2024, 14th warmest of 142.

Summer 2026

Mean temperature: 85.7°F; Warmest since 2024; 14th warmest of 142
Precipitation: 11.37 in; Wettest since 2025; 25th wettest of 141

A normal summer in San Antonio, TX (1991 to 2020): a mean temperature of 85°F, between 83°F and 86.4°F in eight years of ten and 7.31 in of precipitation, between 3.03 in and 11.82 in in eight years of ten.

The mean temperature of every summer in San Antonio, TX since 1885: 85.7°F in 2026; the highest is 88.7°F, in 2023.

Normal range, 83 to 86.4°F

Every year, ranked, as a table

Every summer in San Antonio, TX from 1885 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	85.7	14	95	46	76.4	5	11.37	25	0
2025	85.4	16	95.2	40	75.7	8	12.21	19	0
2024	86.8	5	96.7	11	76.8	3	7.33	59	0
2023	88.7	1	100.3	1	77.1	1	2.02	137	0
2022	88.1	2	99.2	4	76.9	2	2.74	131	0
2021	83.3	85	91.9	122	74.6	26	8.10	49	0
2020	86.6	6	97.6	5	75.5	12	1.92	139	0
2019	85.1	25	95.2	40	74.9	22	5.96	87	0
2018	86.4	7	97.1	8	75.6	11	6.20	85	0
2017	85.2	22	95.4	33	74.9	22	6.43	78	0
2016	84.3	47	93.5	84	75.1	18	7.63	56	0
2015	84.9	32	94.1	67	75.7	8	6.78	69	0
2014	85.4	16	95.4	33	75.3	14	8.71	46	0
2013	86.2	8	97	10	75.4	13	3.60	123	0
2012	85.8	13	96.3	20	75.3	14	6.31	81	0
2011	88	3	99.3	3	76.8	3	2.69	132	0
2010	85	27	93.8	75	76.3	6	7.99	50	0
2009	87.8	4	99.7	2	75.9	7	1.38	141	0
2008	85.1	25	95.4	33	74.8	24	8.85	43	0
2007	81.6	130	89.4	139	73.8	46	25.00	1	0
2006	85.9	12	97.3	6	74.5	27	3.07	126	0
2005	84.5	39	94.9	50	74.1	37	4.13	118	0
2004	82.4	118	91.7	128	73	77	11.18	28	0
2003	82.5	115	91.9	122	73	77	12.67	14	0
2002	83.7	66	93.1	99	74.4	28	18.94	2	0
2001	84.5	39	95.2	40	73.8	46	11.72	23	0
2000	84.4	43	95.1	44	73.8	46	8.11	48	0
1999	83.6	75	93.5	84	73.7	53	7.28	61	0
1998	86	11	96.7	11	75.2	17	8.80	44	0
1997	83.7	66	93.4	89	73.9	42	7.92	51	0
1996	85.3	18	96.3	20	74.2	32	6.29	82	0
1995	83	96	93.7	78	72.4	109	7.54	57	0
1994	86.1	10	97.2	7	75.1	18	4.70	109	0
1993	85	27	94.6	55	75.3	14	6.44	77	0
1992	83.1	92	93.3	92	73	77	9.51	38	0
1991	84.4	43	95	46	73.8	46	7.35	58	0
1990	85.3	18	95.5	29	75.1	18	10.77	31	0
1989	85.3	18	96.6	15	74	38	5.13	98	0
1988	84.1	52	94.7	54	73.4	62	13.06	12	0
1987	83.5	77	92.6	108	74.3	31	9.23	41	0
1986	84.3	47	94.5	57	74.2	32	13.86	9	0
1985	82.6	109	92.4	116	72.9	86	14.45	7	0
1984	84.1	52	95.1	44	73.2	71	4.44	111	0
1983	82.2	123	92.2	120	72.2	119	5.70	90	0
1982	84.4	43	95.4	33	73.3	66	2.06	136	0
1981	83.5	77	92.6	108	74.4	28	11.37	25	0
1980	86.2	8	96.7	11	75.7	8	3.42	125	0
1979	82.9	98	90.7	134	75.1	18	15.06	5	0
1978	83.9	60	93.7	78	74.2	32	10.36	32	0
1977	83.7	66	92.6	108	74.8	24	2.42	133	0
1976	80.4	140	89.1	140	71.7	128	9.09	42	0
1975	80.9	138	89.7	138	72.1	123	6.94	67	0
1974	81.2	136	90.8	133	71.5	131	13.44	10	0
1973	81.5	135	90	136	72.9	86	18.64	3	0
1972	81.6	130	90.6	135	72.5	106	10.23	33	0
1971	83.7	66	93.4	89	73.9	42	13.21	11	1
1970	83.4	82	93.2	95	73.7	53	2.75	130	0
1969	84.6	38	95.3	37	73.9	42	6.87	68	0
1968	82.5	115	92.5	112	72.4	109	5.10	99	0
1967	84.1	52	95	46	73.1	74	5.30	95	0
1966	81.6	130	91.9	122	71.4	133	6.12	86	0
1965	83.5	77	94.3	63	72.8	95	4.15	115	0
1964	85	27	96.3	20	73.6	56	10.09	34	0
1963	84.8	33	95.9	25	73.8	46	2.94	127	0
1962	85.5	15	96.7	11	74.4	28	4.14	117	0
1961	82.1	124	92	121	72.2	119	15.06	5	0
1960	83.7	66	93.8	75	73.5	60	9.97	36	0
1959	83.8	64	94.5	57	73	77	5.85	89	0
1958	84	58	94.9	50	73.2	71	11.23	27	0
1957	84.3	47	95.2	40	73.3	66	4.43	112	0
1956	85	27	96.6	15	73.4	62	4.74	107	0
1955	83.5	77	94.3	63	72.8	95	5.01	101	0
1954	85.3	18	96.4	18	74.2	32	5.01	101	0
1953	85.2	22	96.4	18	73.9	42	5.32	94	0
1952	83.9	60	94.8	52	73	77	4.61	110	0
1951	85.2	22	96.6	15	73.8	46	7.64	54	0
1950	82.5	115	92.9	105	72.1	123	8.78	45	0
1949	82.4	118	93	101	71.8	127	11.53	24	0
1948	85	27	97.1	8	72.9	86	11.14	29	0
1947	83.8	64	95.3	37	72.3	116	6.65	70	0
1946	82.7	105	94.5	57	70.9	140	7.15	65	0
1945	83.7	66	94.5	57	73	77	7.69	53	0
1944	83.3	85	93.6	81	73	77	5.96	87	0
1943	83.5	77	94.1	67	72.9	86	6.41	80	0
1942	82.4	118	92.4	116	72.4	109	12.02	21	0
1941	83.4	82	93.7	78	73.1	74	2.88	128	0
1940	82.8	102	93.2	95	72.5	106	9.33	40	0
1939	83.9	60	94	69	73.8	46	7.30	60	0
1938	84	58	93.9	72	74.2	32	2.00	138	0
1937	84.1	52	94.5	57	73.6	56	4.15	115	0
1936	82.6	109	92.3	118	72.9	86	11.84	22	0
1935	82.7	105	92.3	118	73.1	74	11.00	30	0
1934	84.8	33	95.7	26	74	38	4.89	103	0
1933	83.1	92	93.3	92	72.8	95	6.50	74	0
1932	83.9	60	94.2	65	73.6	56	14.17	8	0
1931	82	126	91.6	129	72.3	116	6.49	75	0
1930	83.3	85	93.8	75	72.8	95	6.43	78	0
1929	82.9	98	92.5	112	73.3	66	4.78	105	0
1928	84.5	39	95	46	74	38	5.53	91	0
1927	83.6	75	94	69	73.3	66	8.55	47	0
1926	82.7	105	93	101	72.4	109	5.25	96	0
1925	84.8	33	95.7	26	74	38	3.44	124	0
1924	83.3	85	93.5	84	73	77	4.71	108	0
1923	83.7	66	93.9	72	73.4	62	6.27	83	0
1922	83.1	92	93.4	89	72.9	86	4.29	113	0
1921	83.3	85	93.6	81	73	77	5.52	92	0
1920	81.7	127	91.6	129	71.9	126	5.48	93	0
1919	80.2	141	89.1	140	71.2	138	17.03	4	0
1918	84.7	37	95.7	26	73.7	53	7.64	54	0
1917	84.5	39	96.1	24	72.9	86	2.31	134	0
1916	82.9	98	93.2	95	72.7	101	10.09	34	0
1915	83.7	66	94.2	65	73.2	71	4.85	104	0
1914	83.4	82	93.3	92	73.6	56	7.83	52	0
1913	82.6	109	93	101	72.2	119	4.22	114	0
1912	83.2	91	94	69	72.4	109	4.78	105	0
1911	84.8	33	96.3	20	73.3	66	1.81	140	0
1910	84.1	52	95.5	29	72.7	101	2.29	135	0
1909	84.4	43	95.3	37	73.5	60	6.62	71	0
1908	82.7	105	93.1	99	72.2	119	5.23	97	0
1907	83.7	66	94.5	57	72.8	95	3.66	122	0
1906	82.6	109	92.9	105	72.3	116	7.21	62	0
1905	82.1	124	92.6	108	71.6	129	9.34	39	0
1904	81	137	91.2	132	70.7	141	7.20	63	0
1903	79	142	88.5	142	69.5	142	12.47	17	0
1902	84.1	52	94.8	52	73.4	62	3.87	120	0
1901	84.2	50	95.5	29	72.9	86	6.61	72	0
1900	82.6	109	92.7	107	72.6	104	7.07	66	0
1899	82.8	102	93	101	72.5	106	7.17	64	0
1898	82.6	109	92.5	112	72.6	104	12.65	15	0
1897	82.9	98	93.5	84	72.4	109	2.87	129	0
1896	84.2	50	95.5	29	72.9	86	6.26	84	0
1895	83.1	92	93.6	81	72.7	101	5.06	100	0
1894	81.7	127	91.9	122	71.4	133	12.24	18	0
1893	83.3	85	93.9	72	72.8	95	3.78	121	0
1892	82.3	122	92.5	112	72.1	123	12.97	13	0
1891	83	96	94.6	55	71.4	133	4.07	119	0
1890	81.7	127	91.9	122	71.5	131	6.48	76	0
1889	80.5	139	89.9	137	71.1	139	12.03	20	0
1888	81.6	130	91.5	131	71.6	129	12.54	16	0
1887	82.8	102	93.2	95	72.4	109	6.54	73	0
1886	82.4	118	93.5	84	71.4	133	9.72	37	0
1885	81.6	130	91.9	122	71.3	137			0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2023	88.7
2022	88.1
2011	88
2009	87.8
2024	86.8
2020	86.6
2018	86.4
2013	86.2
1980	86.2
1994	86.1

Coldest
Year	Mean, °F
1903	79
1919	80.2
1976	80.4
1889	80.5
1975	80.9
1904	81
1974	81.2
1973	81.5
2007	81.6
1972	81.6
More years share the last value

Wettest
Year	Precipitation, in
2007	25.00
2002	18.94
1973	18.64
1919	17.03
1979	15.06
1961	15.06
1985	14.45
1932	14.17
1986	13.86
1974	13.44

Driest
Year	Precipitation, in
2009	1.38
1911	1.81
2020	1.92
1938	2.00
2023	2.02
1982	2.06
1910	2.29
1917	2.31
1977	2.42
2011	2.69

The hottest, coldest and wettest days

Hottest day: 103°F; 23 August 2026, 22 August 2026
Coldest night: 70°F; 20 June 2026, 15 June 2026
Wettest day: 2.97 in; 5 June 2026

Every month, season and year

Months

Seasons

Years

San Antonio, TX the day's answers

All-time records

Every answer in words

Summer 2026 brought 11.37 in of precipitation in San Antonio, TX, the wettest summer since 2025, tied 25th wettest of 141 (with 1981).
The hottest day of summer 2026 in San Antonio, TX: 103°F on Sunday 23 August 2026 and Saturday 22 August 2026.
The coldest night of summer 2026 in San Antonio, TX: a low of 70°F on Saturday 20 June 2026 and Monday 15 June 2026.
The wettest day of summer 2026 in San Antonio, TX: 2.97 in on Friday 5 June 2026.