Weather on June 20
San Antonio, TX
55 Years of Data
Avg High
93°F
Avg Low
74°F
Warmest
2023
92°F avg
Coldest
1973
74°F avg
About This Date
June 20th in San Antonio, TX typically brings hot summer weather, with average highs around 93°F and lows near 74°F. Over 55 years of records, the warmest June 20th was in 2023 (92°F average), while the coldest was 1973 (74°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 20% of June 20th dates historically, with the wettest June 20th recording 2.57" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.
Planning for June 20th in San Antonio, TX? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 78° | 86° | — | — |
| 2024 | 80° | 73° | 77° | 2.44" | — |
| 2023warmest | 105° | 78° | 92° | — | — |
| 2022 | 100° | 75° | 88° | — | — |
| 2021 | 90° | 77° | 83° | — | — |
| 2020 | 92° | 76° | 84° | — | — |
| 2019 | 97° | 77° | 87° | — | — |
| 2018 | 80° | 73° | 77° | 0.51" | — |
| 2017 | 97° | 76° | 86° | — | — |
| 2016 | 92° | 74° | 83° | — | — |
| 2015 | 86° | 74° | 80° | 0.3" | — |
| 2014 | 93° | 75° | 84° | — | — |
| 2013 | 93° | 74° | 83° | — | — |
| 2012 | 93° | 76° | 84° | — | — |
| 2011 | 102° | 78° | 90° | — | — |
| 2010 | 93° | 75° | 84° | — | — |
| 2009 | 94° | 77° | 85° | — | — |
| 2008 | 100° | 72° | 86° | — | — |
| 2007 | 92° | 77° | 84° | 0.05" | — |
| 2006 | 96° | 75° | 86° | — | — |
| 2005 | 93° | 73° | 83° | — | — |
| 2004 | 91° | 72° | 81° | — | — |
| 2003 | 90° | 73° | 81° | — | — |
| 2002 | 96° | 71° | 84° | — | — |
| 2001 | 91° | 66° | 79° | — | — |
| 2000 | 89° | 76° | 82° | — | — |
| 1999 | 90° | 74° | 82° | 0.13" | — |
| 1998 | 100° | 78° | 89° | — | — |
| 1997 | 90° | 76° | 83° | — | — |
| 1996 | 103° | 75° | 89° | — | — |
| 1995 | 88° | 66° | 77° | — | — |
| 1994 | 94° | 68° | 81° | 0.1" | — |
| 1993 | 86° | 74° | 80° | 1.63" | — |
| 1992 | 94° | 75° | 84° | — | — |
| 1991 | 96° | 72° | 84° | — | — |
| 1990 | 100° | 74° | 87° | — | — |
| 1989 | 98° | 77° | 88° | — | — |
| 1988 | 95° | 74° | 84° | — | — |
| 1987 | 91° | 77° | 84° | — | — |
| 1986 | 91° | 75° | 83° | — | — |
| 1985 | 84° | 70° | 77° | 0.03" | — |
| 1984 | 95° | 74° | 84° | — | — |
| 1983 | 90° | 68° | 79° | — | — |
| 1982 | 91° | 73° | 82° | — | — |
| 1981 | 92° | 76° | 84° | — | — |
| 1980 | 100° | 77° | 89° | — | — |
| 1979 | 93° | 79° | 86° | — | — |
| 1978 | 93° | 75° | 84° | — | — |
| 1977 | 92° | 78° | 85° | — | — |
| 1976 | 88° | 65° | 76° | — | — |
| 1975 | 88° | 77° | 82° | — | — |
| 1974 | 90° | 75° | 82° | 0.33" | — |
| 1973coldest | 80° | 68° | 74° | 2.57" | — |
| 1972 | 94° | 69° | 81° | — | — |
| 1971 | 92° | 69° | 80° | 1.12" | — |
55 years of data from SAN ANTONIO INCARNATE WORD