August 20 in Sarnia, through the years

Typical high: 24.3°. Hottest: 28.6° (2019). Coldest night: 11.7° (2000).

YEARHIGHLOWRAIN
2025 19.9° 18.7° 0.2 mm
2024 18.6° 12.7° 0.2 mm
2023 28.1° 17.5° 0.2 mm
2022 26.6° 19° 1.3 mm
2021 27° 19.8° 0 mm
2020 25.2° 13.9° 0 mm
2019 28.6° 21.1° 0 mm
2018 25.6° 18.6° 0 mm
2017 27.5° 16.7° 0 mm
2016 28° 22.1° 3 mm
2015 23° 18° 12.1 mm
2014 26.1° 19° 11.7 mm
2013 28.2° 17.2° 0 mm
2012 21.7° 13.9° 0.5 mm
2011 26.3° 19.3° 5 mm
2010 27.1° 18° 0.1 mm
2009 27.4° 21.8° 10.8 mm
2008 23° 13.1° 0 mm
2007 17.2° 15.7° 46.3 mm
2006 22° 15.7° 0.4 mm
2005 25.3° 19.3° 4 mm
2004 18.7° 14.3° 1 mm
2003 27.8° 17.9° 0 mm
2002 22.8° 16.3° 1 mm
2001 21.5° 17.2° 0.8 mm
2000 19.1° 11.7° 0 mm
1999 22.9° 16.9° 0 mm
1998 26.3° 13.1° 0 mm
1997 18.6° 16.5° 10.4 mm
1996 27.6° 21.9° 3.8 mm
Source: ERA5 reanalysis (Copernicus C3S)

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