August 20 in Willowgrove, through the years

Typical high: 23.5°. Hottest: 31.9° (2024). Coldest night: -0.2° (2004).

YEARHIGHLOWRAIN
2025 30.9° 14.5° 1.2 mm
2024 31.9° 16.4° 0 mm
2023 21.2° 0.1 mm
2022 31.8° 14.7° 0 mm
2021 18.4° 10.6° 1.6 mm
2020 29.5° 13.6° 0 mm
2019 22.2° 0 mm
2018 21.2° 4.4° 0 mm
2017 19.1° 7.4° 0.2 mm
2016 22.3° 8.4° 0 mm
2015 22° 11.3° 0 mm
2014 21.5° 14.3° 17.2 mm
2013 22.3° 11.7° 0 mm
2012 26.6° 9.8° 0 mm
2011 19.8° 7.6° 0 mm
2010 20.4° 10.7° 0.7 mm
2009 20.7° 8.8° 0 mm
2008 28.6° 17.2° 0.1 mm
2007 19.2° 12.7° 13.4 mm
2006 21.9° 9.7° 0 mm
2005 19° 4.5° 0 mm
2004 20.8° -0.2° 0 mm
2003 23.6° 12.4° 0 mm
2002 19.2° 7.1° 0 mm
2001 28.5° 7.8° 0.1 mm
2000 20.4° 9.8° 0.8 mm
1999 29.3° 15.5° 0 mm
1998 24.6° 8.1° 0 mm
1997 23.3° 9.8° 0 mm
1996 25.3° 11.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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