Weather on May 31
San Antonio, TX
55 Years of Data
Avg High
89°F
Avg Low
69°F
Warmest
1990
88°F avg
Coldest
1983
67°F avg
About This Date
May 31st in San Antonio, TX typically brings warm spring weather, with average highs around 89°F and lows near 69°F. Over 55 years of records, the warmest May 31st was in 1990 (88°F average), while the coldest was 1983 (67°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 31st dates historically, with the wettest May 31st recording 5.61" of rain. The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.1°F cooler on this date compared to 20-30 years ago.
Planning for May 31st in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 71° | 79° | — | — |
| 2024 | 94° | 67° | 80° | 0.43" | — |
| 2023 | 88° | 67° | 77° | — | — |
| 2022 | 99° | 77° | 88° | — | — |
| 2021 | 82° | 65° | 73° | — | — |
| 2020 | 86° | 60° | 73° | — | — |
| 2019 | 88° | 66° | 77° | 0.81" | — |
| 2018 | 93° | 73° | 83° | — | — |
| 2017 | 82° | 64° | 73° | 1.02" | — |
| 2016 | 85° | 67° | 76° | 4.67" | — |
| 2015 | 84° | 69° | 77° | — | — |
| 2014 | 92° | 69° | 80° | — | — |
| 2013 | 88° | 74° | 81° | 0.08" | — |
| 2012 | 92° | 73° | 82° | — | — |
| 2011 | 97° | 78° | 87° | — | — |
| 2010 | 90° | 69° | 79° | — | — |
| 2009 | 90° | 68° | 79° | — | — |
| 2008 | 93° | 71° | 82° | — | — |
| 2007 | 87° | 73° | 80° | — | — |
| 2006 | 88° | 66° | 77° | — | — |
| 2005 | 87° | 67° | 77° | — | — |
| 2004 | 91° | 76° | 83° | — | — |
| 2003 | 96° | 65° | 80° | — | — |
| 2002 | 91° | 66° | 79° | — | — |
| 2001 | 91° | 75° | 83° | 0.18" | — |
| 2000 | 92° | 72° | 82° | — | — |
| 1999 | 91° | 74° | 82° | — | — |
| 1998 | 96° | 72° | 84° | — | — |
| 1997 | 85° | 67° | 76° | — | — |
| 1996 | 94° | 75° | 84° | 0.05" | — |
| 1995 | 88° | 62° | 75° | — | — |
| 1994 | 97° | 74° | 85° | — | — |
| 1993 | 93° | 67° | 80° | — | — |
| 1992 | 74° | 66° | 70° | 0.08" | — |
| 1991 | 92° | 77° | 84° | — | — |
| 1990warmest | 98° | 79° | 88° | — | — |
| 1989 | 97° | 76° | 86° | — | — |
| 1988 | 88° | 74° | 81° | 0.05" | — |
| 1987 | 80° | 64° | 72° | 5.61" | — |
| 1986 | 81° | 69° | 75° | 3.28" | — |
| 1985 | 95° | 74° | 84° | — | — |
| 1984 | 83° | 51° | 67° | — | — |
| 1983coldest | 74° | 61° | 67° | 0.28" | — |
| 1982 | 88° | 71° | 79° | — | — |
| 1981 | 87° | 64° | 76° | — | — |
| 1980 | 90° | 74° | 82° | — | — |
| 1979 | 86° | 68° | 77° | — | — |
| 1978 | 88° | 73° | 80° | — | — |
| 1977 | 89° | 68° | 79° | 0.2" | — |
| 1976 | 89° | 66° | 78° | 0.56" | — |
| 1975 | 82° | 56° | 69° | — | — |
| 1974 | 92° | 68° | 80° | — | — |
| 1973 | 90° | 61° | 75° | — | — |
| 1972 | 77° | 64° | 71° | 0.03" | — |
| 1971 | 90° | 76° | 83° | — | — |
55 years of data from SAN ANTONIO INCARNATE WORD