August 31 in Winona, through the years

Typical high: 25.9°. Hottest: 33.3° (2012). Coldest night: 8.6° (2025).

YEARHIGHLOWRAIN
2025 24.2° 8.6° 0 mm
2024 27.3° 20.9° 12 mm
2023 23.9° 13.5° 0 mm
2022 25.9° 15.3° 0 mm
2021 25.9° 19.6° 10.3 mm
2020 25.3° 14.5° 0 mm
2019 23.6° 15.5° 0 mm
2018 29.1° 17° 0.1 mm
2017 23.4° 14.7° 1.1 mm
2016 24.2° 18.7° 8.6 mm
2015 30.1° 19.4° 0.2 mm
2014 24.7° 21.1° 16.7 mm
2013 29° 21.2° 0.4 mm
2012 33.3° 15.6° 0 mm
2011 29.2° 15.9° 0 mm
2010 32.8° 18.9° 0 mm
2009 20.5° 9.8° 0 mm
2008 29.6° 14.3° 0 mm
2007 24° 14.5° 0 mm
2006 22.7° 17.2° 3.2 mm
2005 22.6° 18° 21.6 mm
2004 23.5° 11.7° 0 mm
2003 24.2° 12.5° 4.6 mm
2002 28.3° 15.1° 0 mm
2001 21.9° 18.1° 18.4 mm
2000 28.1° 18.4° 0 mm
1999 25° 11° 0 mm
1998 25.1° 14.3° 0 mm
1997 24.1° 14° 0 mm
1996 26.9° 14.1° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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