Weather on May 12
San Antonio, TX
55 Years of Data
Avg High
85°F
Avg Low
66°F
Warmest
1990
84°F avg
Coldest
2019
63°F avg
About This Date
May 12th in San Antonio, TX typically brings warm spring weather, with average highs around 85°F and lows near 66°F. Over 55 years of records, the warmest May 12th was in 1990 (84°F average), while the coldest was 2019 (63°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 22% of May 12th dates historically, with the wettest May 12th recording 3.66" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 12th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 94° | 56° | 75° | — | — |
| 2024 | 82° | 68° | 75° | — | — |
| 2023 | 87° | 75° | 81° | — | — |
| 2022 | 96° | 71° | 84° | — | — |
| 2021 | 87° | 65° | 76° | — | — |
| 2020 | 85° | 59° | 72° | — | — |
| 2019coldest | 71° | 56° | 63° | — | — |
| 2018 | 89° | 69° | 79° | — | — |
| 2017 | 86° | 67° | 76° | — | — |
| 2016 | 83° | 70° | 76° | — | — |
| 2015 | 73° | 68° | 71° | 0.15" | — |
| 2014 | 90° | 71° | 80° | — | — |
| 2013 | 82° | 58° | 70° | — | — |
| 2012 | 81° | 61° | 71° | 1.83" | — |
| 2011 | 89° | 76° | 82° | — | — |
| 2010 | 88° | 71° | 79° | — | — |
| 2009 | 95° | 74° | 84° | — | — |
| 2008 | 85° | 65° | 75° | — | — |
| 2007 | 84° | 61° | 72° | — | — |
| 2006 | 84° | 55° | 70° | — | — |
| 2005 | 84° | 70° | 77° | — | — |
| 2004 | 80° | 71° | 76° | 0.64" | — |
| 2003 | 84° | 71° | 78° | 0.03" | — |
| 2002 | 89° | 75° | 82° | — | — |
| 2001 | 85° | 67° | 76° | — | — |
| 2000 | 91° | 74° | 82° | — | — |
| 1999 | 81° | 65° | 73° | 0.13" | — |
| 1998 | 90° | 59° | 74° | — | — |
| 1997 | 80° | 58° | 69° | 0.51" | — |
| 1996 | 88° | 64° | 76° | — | — |
| 1995 | 90° | 69° | 79° | — | — |
| 1994 | 87° | 73° | 80° | — | — |
| 1993 | 84° | 56° | 70° | — | — |
| 1992 | 94° | 73° | 83° | — | — |
| 1991 | 91° | 76° | 83° | — | — |
| 1990warmest | 97° | 71° | 84° | 0.15" | — |
| 1989 | 85° | 69° | 77° | — | — |
| 1988 | 81° | 64° | 72° | — | — |
| 1987 | 89° | 62° | 76° | — | — |
| 1986 | 90° | 67° | 78° | — | — |
| 1985 | 85° | 74° | 79° | — | — |
| 1984 | 92° | 69° | 80° | — | — |
| 1983 | 82° | 71° | 77° | — | — |
| 1982 | 84° | 70° | 77° | 2.01" | — |
| 1981 | 84° | 61° | 72° | — | — |
| 1980 | 84° | 70° | 77° | 0.18" | — |
| 1979 | 78° | 53° | 66° | — | — |
| 1978 | 93° | 73° | 83° | — | — |
| 1977 | 81° | 59° | 70° | — | — |
| 1976 | 84° | 62° | 73° | 1.14" | — |
| 1975 | 79° | 59° | 69° | — | — |
| 1974 | 87° | 64° | 76° | — | — |
| 1973 | 80° | 68° | 74° | 3.66" | — |
| 1972 | 79° | 67° | 73° | 0.33" | — |
| 1971 | 79° | 57° | 68° | — | — |
55 years of data from SAN ANTONIO INCARNATE WORD