August 31 in San Antonio, through the years

Typical high: 20°. Hottest: 23.2° (2002). Coldest night: (2019).

YEARHIGHLOWRAIN
2025 18.5° 10.7° 7.2 mm
2024 21.6° 7.9° 0 mm
2023 21.3° 9.1° 0.3 mm
2022 18.6° 8.3° 0.9 mm
2021 19.4° 8.9° 0.3 mm
2020 18.6° 8.5° 1 mm
2019 18° 0.4 mm
2018 19.6° 7.6° 0 mm
2017 18.9° 9.2° 0 mm
2016 20.8° 9.3° 0.9 mm
2015 19° 9.5° 0 mm
2014 21.1° 7.4° 0 mm
2013 18.8° 9.3° 0 mm
2012 17.8° 7.4° 0.4 mm
2011 18.1° 9.9° 0 mm
2010 19.2° 8.7° 2 mm
2009 21.9° 10.2° 0 mm
2008 19.2° 8.6° 0.1 mm
2007 19.5° 7.7° 0.3 mm
2006 20.6° 7.3° 0.2 mm
2005 21.4° 9.3° 0.4 mm
2004 20° 9.7° 0.2 mm
2003 20.3° 7.4° 0 mm
2002 23.2° 10.3° 0.2 mm
2001 22° 8.8° 0.1 mm
2000 18.9° 10.4° 0 mm
1999 20.2° 7.3° 0 mm
1998 19.2° 9.2° 0 mm
1997 22.4° 9.6° 0 mm
1996 20.4° 9.9° 1.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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