August 20 in Harefield, through the years

Typical high: 21.4°. Hottest: 34.8° (2024). Coldest night: 5.4° (2020).

YEARHIGHLOWRAIN
2025 23.4° 9.9° 0 mm
2024 34.8° 13.2° 0 mm
2023 24.4° 9.8° 0 mm
2022 13.7° 9.9° 0.8 mm
2021 15.4° 9.5° 2.1 mm
2020 22.4° 5.4° 0 mm
2019 20.8° 11.7° 0 mm
2018 20.4° 12.5° 1.3 mm
2017 22.7° 10.7° 0 mm
2016 19.7° 13.5° 2.2 mm
2015 16.4° 13.1° 6.5 mm
2014 19.3° 13° 2.7 mm
2013 28.2° 8.7° 0 mm
2012 19.5° 12.8° 0.1 mm
2011 20.7° 10.1° 0 mm
2010 18.7° 7.6° 0 mm
2009 19.4° 8.5° 0 mm
2008 21.9° 15.1° 0.3 mm
2007 23.1° 14.6° 0 mm
2006 18.6° 13.7° 3.5 mm
2005 21.3° 12.7° 1.1 mm
2004 24.1° 16.4° 9.8 mm
2003 13.9° 7.7° 0 mm
2002 20.1° 14.6° 1.7 mm
2001 20.1° 13.5° 0 mm
2000 28.7° 13.8° 0 mm
1999 30.9° 12.5° 0 mm
1998 30.9° 9.9° 0 mm
1997 15.5° 12.5° 0 mm
1996 13° 7.1° 2.6 mm
Source: ERA5 reanalysis (Copernicus C3S)

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