San Antonio, TX: May

31 May 2026: May 2026 averaged 75.1°F in San Antonio, TX, the coldest May since 2016, tied 48th coldest of 142 (with 2016 and 1945).

May 2026

Mean temperature: 75.1°F; Coldest since 2016; 48th coldest of 142
Precipitation: 5.81 in; Wettest since 2025; 29th wettest of 141

A normal May in San Antonio, TX (1991 to 2020): a mean temperature of 76.9°F, between 74.9°F and 80.1°F in eight years of ten and 3.47 in of precipitation, between 0.82 in and 9.21 in in eight years of ten.

The mean temperature of every May in San Antonio, TX since 1885: 75.1°F in 2026; the lowest is 71°F, in 1907.

Normal range, 74.9 to 80.1°F

Every year, ranked, as a table

Every May 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
2026	75.1	93	84.7	98	65.5	79	5.81	29
2025	80.5	5	91.8	4	69.2	11	5.98	26
2024	81.5	4	91.2	9	71.9	1	0.97	127
2023	76.2	61	85.1	89	67.4	37	3.92	47
2022	83	1	94.8	1	71.1	2	0.86	131
2021	75.5	77	84.2	103	66.9	47	6.14	23
2020	78.6	19	90.5	11	66.6	54	5.83	28
2019	77	42	85.5	75	68.6	16	3.30	62
2018	80.5	5	91.6	5	69.3	10	0.97	127
2017	75.6	74	86.3	62	65	90	1.76	109
2016	75.1	93	83.7	111	66.5	56	9.14	7
2015	76.3	57	84.2	103	68.5	18	8.57	8
2014	75.7	72	86.9	51	64.5	104	4.97	34
2013	75.8	71	86.5	57	65	90	13.19	2
2012	78.1	28	87.9	35	68.3	21	9.84	6
2011	78.6	19	89.7	18	67.5	35	0.84	134
2010	77.5	34	86.9	51	68	25	4.48	38
2009	79.5	12	90.5	11	68.4	20	1.57	114
2008	80.1	9	91.6	5	68.6	16	0.66	135
2007	75.5	77	83.9	109	67	46	3.35	59
2006	78.7	18	91.6	5	65.9	74	3.80	52
2005	75	96	85.2	83	64.8	95	2.97	71
2004	76.1	62	84.9	93	67.4	37	1.80	106
2003	80.3	8	90.4	14	70.3	6	0.12	141
2002	76.8	49	86.7	56	66.8	49	2.26	92
2001	76.3	57	86	66	66.5	56	2.48	83
2000	78.6	19	88	34	69.2	11	3.59	54
1999	76.1	62	85.8	69	66.5	56	2.78	76
1998	79.8	10	91.4	8	68.2	23	0.34	138
1997	74	113	83.4	113	64.5	104	3.91	48
1996	81.9	2	92.6	3	71.1	2	1.26	122
1995	78.6	19	88.9	24	68.3	21	5.36	32
1994	76	67	85.5	75	66.5	56	7.01	15
1993	73.9	117	85.3	81	62.4	135	12.47	4
1992	73.7	120	82.8	121	64.5	104	8.15	11
1991	77.6	32	87.2	44	68.1	24	5.30	33
1990	79.3	13	89	23	69.6	8	3.28	64
1989	81.7	3	92.7	2	70.7	5	0.33	139
1988	76.1	62	87.4	41	64.8	95	0.41	137
1987	75.7	72	84.9	93	66.6	54	12.85	3
1986	74.6	107	83.8	110	65.4	82	6.29	22
1985	76.6	53	86.5	57	66.8	49	2.47	84
1984	77	42	88.9	24	65.2	85	3.76	53
1983	73.6	121	83.7	111	63.5	122	4.37	42
1982	74.5	108	83.1	117	65.9	74	6.42	20
1981	75.3	85	85.5	75	65	90	6.43	19
1980	76.1	62	85.7	71	66.5	56	6.42	20
1979	73.8	119	83	118	64.7	100	1.98	101
1978	77	42	86.2	63	67.9	28	2.45	86
1977	74.8	101	81.6	136	68	25	1.62	112
1976	71.3	141	81.2	137	61.4	141	5.80	30
1975	73.5	123	81.8	133	65.2	85	6.91	16
1974	77.3	36	87.1	45	67.4	37	4.28	43
1973	74.7	103	85.5	75	63.9	117	2.73	78
1972	72.8	131	82.6	123	62.9	130	11.24	5
1971	78.1	28	89.5	20	66.7	51	1.52	116
1970	72.9	129	83.4	113	62.4	135	7.30	14
1969	73.4	125	82.9	120	64	116	4.61	37
1968	75.3	85	84.2	103	66.4	62	2.82	74
1967	76.6	53	88.6	28	64.5	104	2.22	94
1966	73.5	123	82.3	126	64.7	100	3.53	55
1965	75	96	82.6	123	67.4	37	8.18	10
1964	77.6	32	89.4	22	65.8	77	1.79	107
1963	77.7	31	87.6	37	67.7	31	3.03	70
1962	77.9	30	88.6	28	67.2	43	1.31	121
1961	78.4	23	89.5	20	67.4	37	0.17	140
1960	74	113	84.4	100	63.7	119	1.21	124
1959	77	42	86.4	60	67.7	31	2.43	87
1958	75	96	85.7	71	64.4	111	1.98	101
1957	73.4	125	81.9	132	64.8	95	8.22	9
1956	78.9	15	90	15	67.8	30	3.07	68
1955	78.8	17	90	15	67.7	31	4.44	40
1954	74.9	100	85.2	83	64.6	102	1.46	118
1953	76	67	86.8	54	65.2	85	1.00	126
1952	73.3	128	85	91	61.6	139	1.91	104
1951	75.4	81	85.6	74	65.1	88	4.44	40
1950	76.9	47	85.9	67	67.9	28	2.41	89
1949	78.3	24	87.6	37	69.1	13	0.85	133
1948	78.2	26	90	15	66.4	62	1.59	113
1947	75.2	90	87	48	63.5	122	3.32	61
1946	75.3	85	85.2	83	65.5	79	3.47	56
1945	75.1	93	87.6	37	62.7	131	1.24	123
1944	71.8	136	82	129	61.6	139	6.76	17
1943	77.2	37	87.5	40	66.9	47	2.56	81
1942	76	67	85.2	83	66.7	51	2.19	96
1941	76.3	57	86.1	65	66.5	56	2.50	82
1940	75.5	77	86.4	60	64.6	102	4.19	45
1939	79.2	14	89.7	18	68.7	15	3.22	65
1938	75.2	90	84.1	106	66.3	65	3.88	50
1937	76.9	47	87.7	36	66.1	68	7.68	13
1936	74	113	82.5	125	65.5	79	6.13	24
1935	72.6	133	81.8	133	63.4	126	14.07	1
1934	76.7	52	87.3	43	66.1	68	1.65	111
1933	79.8	10	90.5	11	69.1	13	2.23	93
1932	75.4	81	84.9	93	66	71	2.10	97
1931	72.5	134	82	129	63	128	1.36	119
1930	75	96	82.7	122	67.2	43	0.89	129
1929	74.7	103	84.9	93	64.5	104	7.73	12
1928	74.7	103	84.9	93	64.5	104	3.90	49
1927	80.5	5	91.1	10	69.8	7	2.04	98
1926	74.5	108	84.1	106	65	90	3.33	60
1925	77.2	37	88.9	24	65.6	78	2.85	73
1924	71.6	138	81.1	138	62	137	4.71	35
1923	77.1	39	88.4	30	65.9	74	1.33	120
1922	77.1	39	87	48	67.1	45	3.46	57
1921	75.4	81	85.8	69	65	90	2.01	99
1920	76.8	49	86.2	63	67.4	37	2.42	88
1919	73.4	125	83.4	113	63.4	126	3.06	69
1918	75.9	70	85.1	89	66.7	51	2.80	75
1917	71.6	138	82	129	61.1	142	3.30	62
1916	76.1	62	87.1	45	65.1	88	3.85	51
1915	75.6	74	85.2	83	66.1	68	1.89	105
1914	74.4	110	82.3	126	66.4	62	5.59	31
1913	75.6	74	87.1	45	64.1	115	2.88	72
1912	76.8	49	87.4	41	66.2	66	1.49	117
1911	74	113	84.4	100	63.5	122	2.01	99
1910	74.7	103	85	91	64.4	111	1.56	115
1909	75.2	90	85.5	75	64.8	95	1.77	108
1908	76.3	57	86.5	57	66	71	6.07	25
1907	71	142	80	142	61.9	138	4.64	36
1906	75.5	77	85.7	71	65.4	82	0.86	131
1905	77	42	85.4	80	68.5	18	4.11	46
1904	73.6	121	84.5	99	62.7	131	5.93	27
1903	72	135	81	139	63	128	1.95	103
1902	77.4	35	86.8	54	68	25	3.14	66
1901	76.4	55	88.4	30	64.5	104	2.47	84
1900	74.1	112	84	108	64.3	113	4.47	39
1899	78.3	24	85.9	67	70.8	4	2.22	94
1898	76.4	55	85.2	83	67.5	35	1.06	125
1897	74.8	101	85.3	81	64.3	113	3.13	67
1896	78.9	15	88.2	32	69.5	9	2.74	77
1895	72.9	129	82.2	128	63.5	122	6.66	18
1894	77.1	39	88.2	32	66	71	1.71	110
1893	75.3	85	84.4	100	66.2	66	3.36	58
1892	78.2	26	88.9	24	67.6	34	0.89	129
1891	71.7	137	80.9	140	62.6	133	2.36	91
1890	74.3	111	83.3	116	65.4	82	2.39	90
1889	72.7	132	81.7	135	63.6	120	0.55	136
1888	73.9	117	83	118	64.8	95	4.25	44
1887	75.3	85	86.9	51	63.6	120	2.61	79
1886	75.4	81	87	48	63.8	118	2.61	79
1885	71.5	140	80.3	141	62.6	133

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2022	83
1996	81.9
1989	81.7
2024	81.5
2025	80.5
2018	80.5
1927	80.5
2003	80.3
2008	80.1
1998	79.8
More years share the last value

Coldest
Year	Mean, °F
1907	71
1976	71.3
1885	71.5
1924	71.6
1917	71.6
1891	71.7
1944	71.8
1903	72
1931	72.5
1935	72.6

Wettest
Year	Precipitation, in
1935	14.07
2013	13.19
1987	12.85
1993	12.47
1972	11.24
2012	9.84
2016	9.14
2015	8.57
1957	8.22
1965	8.18

Driest
Year	Precipitation, in
2003	0.12
1961	0.17
1989	0.33
1998	0.34
1988	0.41
1889	0.55
2008	0.66
2011	0.84
1949	0.85
2022	0.86
More years share the last value

The hottest, coldest and wettest days

Hottest day: 91°F; 9 May 2026
Coldest night: 50°F; 3 May 2026
Wettest day: 1.98 in; 1 May 2026

Every month, season and year

Months

Seasons

Years

San Antonio, TX the day's answers

All-time records

Every answer in words

May 2026 brought 5.81 in of precipitation in San Antonio, TX, the wettest May since 2025, 29th wettest of 141.
The hottest day of May 2026 in San Antonio, TX: 91°F on Saturday 9 May 2026.
The coldest night of May 2026 in San Antonio, TX: a low of 50°F on Sunday 3 May 2026.
The wettest day of May 2026 in San Antonio, TX: 1.98 in on Friday 1 May 2026.