August 31 in Indianapolis, through the years

Typical high: 32.6°. Hottest: 40.5° (2011). Coldest night: 15.5° (2009).

YEARHIGHLOWRAIN
2025 28.7° 19.8° 5.2 mm
2024 30.2° 21.9° 0.8 mm
2023 35.2° 17.7° 0 mm
2022 33.3° 22.4° 0.1 mm
2021 35.2° 21° 0 mm
2020 33.7° 23.8° 1.7 mm
2019 28.9° 19.5° 0 mm
2018 36.9° 23.5° 0 mm
2017 28.7° 16.8° 0 mm
2016 28.1° 21.1° 16.2 mm
2015 34.8° 20.6° 0 mm
2014 36.8° 22.3° 0 mm
2013 39.5° 22.6° 0 mm
2012 35.8° 21.8° 0 mm
2011 40.5° 28.1° 1 mm
2010 35.4° 25.3° 0.9 mm
2009 25.4° 15.5° 0 mm
2008 31.6° 20.9° 0.7 mm
2007 30.4° 19.7° 0 mm
2006 33.8° 21° 0 mm
2005 32.3° 19.4° 0 mm
2004 30.4° 16.5° 0 mm
2003 22.5° 19° 2.5 mm
2002 32.4° 19.1° 0 mm
2001 30.2° 19.2° 0.1 mm
2000 38° 24.7° 0 mm
1999 35.5° 22.9° 0 mm
1998 35.8° 18.8° 0 mm
1997 32.8° 22.1° 0 mm
1996 25.9° 18.8° 0.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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