Weather on May 12
San Antonio, TX
55 Years of Data
About This Date
May 12th in San Antonio, TX typically brings warm spring weather, with average highs around 86°F and lows near 66°F. Over 56 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 21% 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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 86° | 61° | 73° | — | — |
| 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° | — | — |
San Antonio, TX Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
San Antonio, TX Monthly Precipitation
Average rainfall and snowfall per month, in inches.
San Antonio, TX Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit San Antonio, TX
San Antonio, TX has no months that meet our "pleasant" threshold — every season has tradeoffs.