August 23 in Waterloo, through the years

Typical high: 25.9°. Hottest: 32.9° (2025). Coldest night: 6.9° (2021).

YEARHIGHLOWRAIN
2025 32.9° 14.8° 0 mm
2024 23.8° 11.7° 4 mm
2023 21° 10.3° 0.1 mm
2022 31.4° 14.4° 0.2 mm
2021 19.5° 6.9° 0 mm
2020 29.3° 13° 0 mm
2019 25.7° 11.5° 0 mm
2018 26.8° 12.3° 0 mm
2017 28.9° 14.5° 0 mm
2016 24.8° 8.4° 0 mm
2015 27.5° 8.4° 0 mm
2014 24° 10.1° 0 mm
2013 25.5° 17.6° 0.4 mm
2012 24.4° 9.6° 0 mm
2011 28.4° 15.5° 0 mm
2010 22.7° 7.1° 0 mm
2009 26.5° 12.2° 0 mm
2008 25.5° 8.7° 0 mm
2007 26.6° 10.5° 0 mm
2006 27.4° 11.6° 0 mm
2005 19.2° 12° 3.4 mm
2004 20.1° 13° 1 mm
2003 23.4° 13.4° 0 mm
2002 29° 12.4° 0 mm
2001 19.4° 12° 1.9 mm
2000 32.5° 12.6° 0 mm
1999 31.6° 13.1° 0 mm
1998 21.7° 13.9° 0 mm
1997 27.7° 16° 0 mm
1996 30.9° 10.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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