San Antonio, TX: August

31 August 2026: August 2026 averaged 88.4°F in San Antonio, TX, the warmest August since 2024, 6th warmest of 142.

August 2026

Mean temperature: 88.4°F; Warmest since 2024; 6th warmest of 142
Precipitation: 1.75 in; Wettest since 2025; 66th wettest of 142

A normal August in San Antonio, TX (1991 to 2020): a mean temperature of 86.1°F, between 83.7°F and 88.3°F in eight years of ten and 1.16 in of precipitation, between 0.08 in and 5.96 in in eight years of ten.

The mean temperature of every August in San Antonio, TX since 1885: 88.4°F in 2026; the highest is 90.6°F, in 2023.

Normal range, 83.7 to 88.3°F

Every year, ranked, as a table

Every August 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	88.4	6	99.7	7	77	6	1.75	66	0
2025	87.5	11	98.7	13	76.4	12	3.55	33	0
2024	88.7	3	99.3	10	78.1	3	0.38	114	0
2023	90.6	1	103	1	78.3	2	0.94	90	0
2022	86.8	18	96.6	50	77	6	2.10	56	0
2021	85.4	55	95	82	75.8	18	1.28	76	0
2020	88.1	9	100.1	5	76	15	0.90	93	0
2019	88.6	4	99.3	10	77.9	4	0.31	117	0
2018	86.6	19	97.6	27	75.6	21	0.62	100	0
2017	84.6	74	93.8	102	75.4	28	5.87	13	0
2016	83.9	94	92.2	125	75.6	21	4.91	21	0
2015	87.4	14	98.1	21	76.6	10	0.29	120	0
2014	88.1	9	99.4	9	76.7	9	0.08	132	0
2013	88.6	4	100.7	3	76.5	11	0.85	95	0
2012	87.2	15	98.5	14	76	15	2.41	50	0
2011	90	2	101.5	2	78.5	1	0.15	127	0
2010	87.5	11	97.6	27	77.4	5	0.07	133	0
2009	88.3	7	100.3	4	76.4	12	0.45	107	0
2008	84.4	83	93.9	100	74.8	42	4.98	19	0
2007	83.7	100	91.9	127	75.5	24	6.77	9	0
2006	88.3	7	99.8	6	76.8	8	0.03	136	0
2005	85.7	45	96.5	52	74.9	40	1.22	78	0
2004	83.3	106	93.3	110	73.4	92	1.10	82	0
2003	83.7	100	93.6	106	73.7	81	1.65	69	0
2002	85.3	56	95.1	79	75.5	24	0.54	103	0
2001	85.5	52	96.3	55	74.8	42	7.83	5	0
2000	86.3	23	98.1	21	74.5	51	0.16	126	0
1999	86.1	27	97.7	25	74.5	51	2.11	55	0
1998	83.6	103	92.8	116	74.3	59	7.78	7	0
1997	86.1	27	97	43	75.2	30	0.62	100	0
1996	84.4	83	94.8	86	74	67	2.86	42	0
1995	85.5	52	96.7	48	74.3	59	2.03	59	0
1994	86.1	27	97.1	38	75	35	2.54	49	0
1993	87.2	15	98.2	16	76.3	14	0.01	137	0
1992	82.1	127	93	113	71.3	135	2.56	48	0
1991	85.8	40	96.9	44	74.7	44	2.84	43	0
1990	85.2	58	95.3	77	75.2	30	1.30	73	0
1989	86	32	97.1	38	74.9	40	0.48	105	0
1988	86.4	22	97.3	33	75.5	24	1.98	61	0
1987	86	32	96.2	59	75.8	18	0.33	116	0
1986	85.7	45	96.3	55	75	35	1.86	65	0
1985	85.5	52	96.3	55	74.7	44	0.45	107	0
1984	84.7	68	95.8	67	73.6	86	3.04	39	0
1983	84.5	78	95.4	75	73.5	89	2.00	60	0
1982	86	32	97.4	32	74.5	51	0.55	102	0
1981	84.7	68	95.5	71	73.9	71	2.41	50	0
1980	85.3	56	94.7	89	75.9	17	2.64	46	0
1979	83.1	110	91.5	133	74.7	44	2.09	57	0
1978	83	112	92.4	122	73.7	81	4.97	20	0
1977	84.7	68	93.9	100	75.5	24	0.06	134	0
1976	81.6	136	91.7	129	71.5	133	2.09	57	0
1975	81.7	135	91	135	72.4	119	1.28	76	0
1974	81.1	139	89.3	141	73	104	11.14	1	0
1973	82.1	127	91.6	132	72.6	115	1.29	74	0
1972	82.1	127	91	135	73.2	98	4.24	26	0
1971	81.5	137	90	139	72.8	109	9.42	2	1
1970	85.6	50	96	63	75.3	29	0.95	88	0
1969	85.7	45	97.1	38	74.3	59	4.19	27	0
1968	84.1	88	95.5	71	72.8	109	0.94	90	0
1967	82.6	119	93.8	102	71.5	133	3.17	36	0
1966	81.9	133	92.4	122	71.3	135	4.28	24	0
1965	84	90	95.5	71	72.4	119	1.65	69	0
1964	86.2	24	97.2	35	75.2	30	5.19	16	0
1963	85.7	45	97.2	35	74.2	63	0.63	99	0
1962	87.5	11	99.3	10	75.6	21	1.57	71	0
1961	82.5	121	93.3	110	71.6	132	0.15	127	0
1960	83.5	104	92.6	119	74.5	51	5.96	12	0
1959	84.4	83	94.9	83	73.8	77	3.05	38	0
1958	84.7	68	96.8	46	72.7	111	0.45	107	0
1957	86	32	97.6	27	74.4	55	0.21	124	0
1956	84.7	68	96.1	60	73.4	92	3.94	30	0
1955	84.6	74	95.1	79	74.1	65	0.81	96	0
1954	86.6	19	98.2	16	75.1	34	1.05	84	0
1953	84.5	78	95.4	75	73.7	81	3.12	37	0
1952	86.2	24	98.5	14	73.9	71	0.00	140	0
1951	87	17	99.7	7	74.4	55	0.06	134	0
1950	82.5	121	93.6	106	71.3	135	6.15	11	0
1949	82.5	121	94	98	71	139	1.03	85	0
1948	85.2	58	98.2	16	72.3	121	5.83	14	0
1947	83.3	106	94.7	89	71.9	127	5.34	15	0
1946	83.8	98	95.9	65	71.7	131	4.03	29	0
1945	84.5	78	95.9	65	73.2	98	1.19	81	0
1944	84	90	94.4	94	73.5	89	4.32	23	0
1943	85.8	40	97.8	24	73.9	71	0.78	98	0
1942	82.7	116	92.5	120	72.9	106	1.88	64	0
1941	84.9	64	95.8	67	73.9	71	0.23	123	0
1940	85.1	61	96.4	53	73.8	77	1.22	78	0
1939	83.4	105	93.6	106	73.2	98	5.08	17	0
1938	84.6	74	94.6	92	74.6	49	0.44	111	0
1937	86.1	27	97.1	38	75	35	0.14	130	0
1936	83.7	100	94.3	96	73.2	98	2.73	45	0
1935	84.9	64	96	63	73.8	77	0.98	86	0
1934	84.6	74	94.5	93	74.6	49	0.88	94	0
1933	83.2	108	92.8	116	73.7	81	2.78	44	0
1932	84.1	88	94	98	74.2	63	6.71	10	0
1931	82	131	92.3	124	71.8	129	0.30	119	0
1930	85.8	40	97.7	25	74	67	0.41	112	0
1929	85.1	61	95.8	67	74.4	55	0.01	137	0
1928	86.6	19	97.5	30	75.7	20	1.21	80	0
1927	86	32	97.2	35	74.7	44	0.15	127	0
1926	84.3	86	94.8	86	73.9	71	0.31	117	0
1925	83.9	94	94.8	86	73.1	103	1.72	67	0
1924	86	32	96.9	44	75	35	trace	139	0
1923	84.2	87	94.7	89	73.6	86	2.94	41	0
1922	85.9	39	96.7	48	75	35	0.27	122	0
1921	85.2	58	96.4	53	74	67	0.45	107	0
1920	82.9	113	92.9	115	72.9	106	2.26	52	0
1919	82.2	126	91.7	129	72.7	111	2.14	54	0
1918	85.1	61	96.1	60	74.1	65	2.61	47	0
1917	85.6	50	97.3	33	74	67	0.10	131	0
1916	81.9	133	91.4	134	72.5	116	5.07	18	0
1915	82.5	121	92.7	118	72.3	121	3.90	31	0
1914	82.6	119	91.7	129	73.6	86	7.80	6	0
1913	84	90	95.2	78	72.7	111	1.29	74	0
1912	86	32	96.8	46	75.2	30	0.29	120	0
1911	86.2	24	98.2	16	74.3	59	0.48	105	0
1910	86.1	27	97.5	30	74.7	44	0.37	115	0
1909	84.5	78	95.5	71	73.4	92	1.70	68	0
1908	82.7	116	93.4	109	72	124	4.27	25	0
1907	84.9	64	96.1	60	73.8	77	0.80	97	0
1906	82	131	91.9	127	72	124	2.25	53	0
1905	84.8	67	96.6	50	73	104	0.51	104	0
1904	82.1	127	93	113	71.2	138	1.97	62	0
1903	81.2	138	90.6	138	71.8	129	0.20	125	0
1902	85.7	45	97.1	38	74.4	55	0.00	140	0
1901	85.8	40	98.2	16	73.3	96	0.96	87	0
1900	82.7	116	92.1	126	73.4	92	4.05	28	0
1899	85.8	40	97.9	23	73.7	81	0.00	140	0
1898	84	90	94.4	94	73.5	89	3.35	34	0
1897	82.4	125	92.5	120	72.3	121	0.40	113	0
1896	84.7	68	96.3	55	73.2	98	2.96	40	0
1895	84.5	78	95.7	70	73.3	96	1.90	63	0
1894	80.1	142	89.3	141	70.9	140	8.55	4	0
1893	83.8	98	94.9	83	72.7	111	0.92	92	0
1892	80.9	140	89.8	140	71.9	127	9.09	3	0
1891	82.8	114	95.1	79	70.5	142	1.06	83	0
1890	83.1	110	93.8	102	72.5	116	1.44	72	0
1889	80.7	141	90.8	137	70.6	141	3.19	35	0
1888	82.8	114	93.2	112	72.5	116	7.76	8	0
1887	83.9	94	93.8	102	73.9	71	3.63	32	0
1886	83.9	94	94.9	83	72.9	106	4.79	22	0
1885	83.2	108	94.3	96	72	124	0.95	88	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2023	90.6
2011	90
2024	88.7
2019	88.6
2013	88.6
2026	88.4
2009	88.3
2006	88.3
2020	88.1
2014	88.1

Coldest
Year	Mean, °F
1894	80.1
1889	80.7
1892	80.9
1974	81.1
1903	81.2
1971	81.5
1976	81.6
1975	81.7
1966	81.9
1916	81.9

Wettest
Year	Precipitation, in
1974	11.14
1971	9.42
1892	9.09
1894	8.55
2001	7.83
1914	7.80
1998	7.78
1888	7.76
2007	6.77
1932	6.71

Driest
Year	Precipitation, in
1952	0.00
1902	0.00
1899	0.00
1924	trace
1993	0.01
1929	0.01
2006	0.03
1977	0.06
1951	0.06
2010	0.07

The hottest, coldest and wettest days

Hottest day: 103°F; 23 August 2026, 22 August 2026
Coldest night: 72°F; 28 August 2026
Wettest day: 1.69 in; 28 August 2026

Every month, season and year

Months

Seasons

Years

San Antonio, TX the day's answers

All-time records

Every answer in words

August 2026 brought 1.75 in of precipitation in San Antonio, TX, the wettest August since 2025, 66th wettest of 142.
The hottest day of August 2026 in San Antonio, TX: 103°F on Sunday 23 August 2026 and Saturday 22 August 2026.
The coldest night of August 2026 in San Antonio, TX: a low of 72°F on Friday 28 August 2026.
The wettest day of August 2026 in San Antonio, TX: 1.69 in on Friday 28 August 2026.