August 20 in Sumner, through the years

Typical high: 34°. Hottest: 41.4° (2023). Coldest night: 17.8° (2015).

YEARHIGHLOWRAIN
2025 33.2° 23.4° 4 mm
2024 34.1° 25.2° 0 mm
2023 41.4° 25.9° 1.2 mm
2022 32.9° 23.9° 0.5 mm
2021 34° 25.3° 0.1 mm
2020 32.8° 18.9° 0 mm
2019 37.2° 25.3° 0 mm
2018 31.7° 24.3° 0 mm
2017 34.5° 25.2° 0 mm
2016 27.4° 22.4° 9.8 mm
2015 25.9° 17.8° 0.7 mm
2014 34.7° 23.9° 0 mm
2013 34.8° 19.6° 0 mm
2012 31.7° 19° 0 mm
2011 40.3° 28.3° 0 mm
2010 37.5° 26.7° 0 mm
2009 33.4° 23.6° 7.1 mm
2008 24.8° 20.7° 15.5 mm
2007 33.3° 25.9° 0 mm
2006 37.5° 27.2° 0 mm
2005 36.1° 25.7° 0.6 mm
2004 28.4° 20.8° 10.4 mm
2003 35.1° 25° 0 mm
2002 34° 23.8° 0 mm
2001 36.1° 23.4° 0 mm
2000 37.8° 23.9° 0 mm
1999 35.4° 21.1° 0 mm
1998 36.4° 24.3° 0 mm
1997 35.6° 23.7° 0.2 mm
1996 32.6° 22.1° 0.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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