August 20 in Vallnäs, through the years

Typical high: 15°. Hottest: 24° (2002). Coldest night: 4.3° (1999).

YEARHIGHLOWRAIN
2025 9.6° 5.5° 0.8 mm
2024 15.4° 7.3° 0.4 mm
2023 17.6° 8.7° 3.1 mm
2022 16.7° 13.7° 17.2 mm
2021 10.6° 7.7° 0.4 mm
2020 17.6° 10.7° 1.1 mm
2019 16.7° 7.6° 3.5 mm
2018 10.3° 6.7° 5 mm
2017 11.2° 9.5° 10 mm
2016 15.9° 10° 2.9 mm
2015 23.1° 6.4° 0 mm
2014 12.9° 8.9° 3.9 mm
2013 13° 7.2° 4.3 mm
2012 12.4° 9.1° 2 mm
2011 13.7° 2.5 mm
2010 12.8° 6.5° 3.8 mm
2009 16.7° 8.3° 1.5 mm
2008 16° 9.9° 2.7 mm
2007 14.6° 0 mm
2006 20.6° 8.3° 0.8 mm
2005 12.1° 7.8° 1 mm
2004 15.8° 10.7° 10.1 mm
2003 12.9° 8.9° 5.2 mm
2002 24° 10.8° 0 mm
2001 15.3° 5.9° 1 mm
2000 13.7° 5.4° 0 mm
1999 9.7° 4.3° 0 mm
1998 11° 4.9° 0.2 mm
1997 18.6° 0 mm
1996 18.4° 12.6° 0.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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