August 31 in Ontario, through the years

Typical high: 25.8°. Hottest: 31.9° (2012). Coldest night: 7.9° (2009).

YEARHIGHLOWRAIN
2025 23° 8.7° 0 mm
2024 26.8° 20.5° 10.1 mm
2023 22.3° 12° 0 mm
2022 25.8° 14.2° 0 mm
2021 26.8° 20.1° 0.5 mm
2020 27.3° 14.3° 0 mm
2019 22.7° 15.5° 0 mm
2018 28° 16.5° 0 mm
2017 22° 14.2° 0.7 mm
2016 27.2° 19.9° 7.6 mm
2015 28.8° 19.4° 0.2 mm
2014 26° 21.4° 6.7 mm
2013 27.7° 20.7° 0.9 mm
2012 31.9° 16.5° 0 mm
2011 28.4° 16.8° 0.2 mm
2010 31.8° 20.7° 0 mm
2009 19.5° 7.9° 0 mm
2008 29.7° 14.3° 0 mm
2007 23.1° 13.4° 0 mm
2006 22.2° 17.5° 8.2 mm
2005 24° 17.8° 17.6 mm
2004 22.7° 11.8° 0 mm
2003 22.7° 12.9° 1.8 mm
2002 29.2° 16° 0 mm
2001 22.1° 18.2° 16.2 mm
2000 29.2° 19.2° 0 mm
1999 25.9° 11.1° 0 mm
1998 25.7° 15.3° 0 mm
1997 24° 15.4° 0.8 mm
1996 26.6° 13.6° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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