August 18 in Heathrow, through the years

Typical high: 32.4°. Hottest: 34.8° (2010). Coldest night: 22.2° (2024).

YEARHIGHLOWRAIN
2025 33.3° 25° 3.8 mm
2024 33.3° 22.2° 0 mm
2023 31.5° 24.2° 6.2 mm
2022 33.6° 23.7° 19.7 mm
2021 34.3° 25.6° 1.8 mm
2020 32.4° 23.6° 16.3 mm
2019 32.4° 24.7° 1.4 mm
2018 34° 23.3° 0 mm
2017 32.7° 24.3° 16.5 mm
2016 32.3° 25.1° 3.7 mm
2015 32.7° 24.7° 3 mm
2014 33.1° 23.8° 0 mm
2013 31.9° 24.5° 1.1 mm
2012 29.3° 24.6° 5.3 mm
2011 32.5° 23.9° 12.4 mm
2010 34.8° 25.7° 3.1 mm
2009 30.4° 25.1° 3.9 mm
2008 30.9° 24° 0.8 mm
2007 33.1° 23.3° 0.3 mm
2006 33.2° 23.8° 4.8 mm
2005 33.6° 25.5° 3.9 mm
2004 31° 23.7° 23.6 mm
2003 31.8° 24.2° 9.5 mm
2002 32.6° 23.4° 6.1 mm
2001 32.6° 24.5° 10.6 mm
2000 32.4° 22.5° 0 mm
1999 32.7° 23.7° 0.5 mm
1998 31.6° 25.1° 5.9 mm
1997 32.9° 24.4° 0 mm
1996 30.5° 23.6° 4.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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