Weather on August 25
San Antonio, TX
55 Years of Data
Avg High
95°F
Avg Low
72°F
Warmest
2010
90°F avg
Coldest
2017
-5°F avg
About This Date
August 25th in San Antonio, TX typically brings hot summer weather, with average highs around 95°F and lows near 72°F. Over 55 years of records, the warmest August 25th was in 2010 (90°F average), while the coldest was 2017 (-5°F) — a 95°F range across recorded history. Rain or other precipitation has occurred on about 15% of August 25th dates historically, with the wettest August 25th recording 0.69" of rain. The last decade has been 6.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.3°F cooler on this date compared to 20-30 years ago.
Planning for August 25th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 76° | 87° | — | — |
| 2024 | 97° | 76° | 86° | — | — |
| 2023 | 102° | 76° | 89° | — | — |
| 2022 | 93° | 77° | 85° | — | — |
| 2021 | 94° | 78° | 86° | — | — |
| 2020 | 95° | 69° | 82° | — | — |
| 2019 | 94° | 76° | 85° | 0.2" | — |
| 2018 | 99° | 77° | 88° | — | — |
| 2017coldest | 90° | -99° | -5° | — | — |
| 2016 | 91° | 76° | 83° | — | — |
| 2015 | 100° | 77° | 89° | — | — |
| 2014 | 101° | 79° | 90° | — | — |
| 2013 | 99° | 74° | 86° | 0.48" | — |
| 2012 | 94° | 74° | 84° | — | — |
| 2011 | 101° | 78° | 89° | — | — |
| 2010warmest | 102° | 77° | 90° | 0.51" | — |
| 2009 | 101° | 76° | 88° | — | — |
| 2008 | 91° | 69° | 80° | 0.08" | — |
| 2007 | 90° | 74° | 82° | — | — |
| 2006 | 100° | 76° | 88° | — | — |
| 2005 | 97° | 75° | 86° | — | — |
| 2004 | 94° | 77° | 85° | — | — |
| 2003 | 93° | 72° | 82° | — | — |
| 2002 | 94° | 74° | 84° | — | — |
| 2001 | 97° | 76° | 86° | — | — |
| 2000 | 97° | 74° | 85° | — | — |
| 1999 | 91° | 74° | 82° | — | — |
| 1998 | 90° | 76° | 83° | 0.61" | — |
| 1997 | 93° | 67° | 80° | — | — |
| 1996 | 82° | 70° | 76° | 0.18" | — |
| 1995 | 97° | 73° | 85° | — | — |
| 1994 | 97° | 76° | 86° | — | — |
| 1993 | 99° | 76° | 87° | — | — |
| 1992 | 96° | 76° | 86° | — | — |
| 1991 | 95° | 73° | 84° | — | — |
| 1990 | 97° | 76° | 86° | — | — |
| 1989 | 98° | 76° | 87° | — | — |
| 1988 | 99° | 75° | 87° | — | — |
| 1987 | 97° | 78° | 87° | — | — |
| 1986 | 94° | 77° | 85° | — | — |
| 1985 | 92° | 74° | 83° | — | — |
| 1984 | 93° | 75° | 84° | — | — |
| 1983 | 95° | 76° | 85° | — | — |
| 1982 | 97° | 76° | 86° | — | — |
| 1981 | 95° | 71° | 83° | — | — |
| 1980 | 96° | 72° | 84° | 0.69" | — |
| 1979 | 90° | 71° | 80° | — | — |
| 1978 | 93° | 74° | 83° | — | — |
| 1977 | 95° | 77° | 86° | — | — |
| 1976 | 91° | 70° | 80° | — | — |
| 1975 | 93° | 77° | 85° | — | — |
| 1974 | 84° | 70° | 77° | 0.08" | — |
| 1973 | 92° | 70° | 81° | — | — |
| 1972 | 93° | 78° | 86° | — | — |
| 1971 | 93° | 76° | 84° | — | — |
55 years of data from SAN ANTONIO INCARNATE WORD