August 21 in Tjärnö, through the years

Typical high: 19°. Hottest: 24.5° (1997). Coldest night: 11.4° (2017).

YEARHIGHLOWRAIN
2025 16.7° 11.6° 8.6 mm
2024 18° 14.8° 11.5 mm
2023 18.7° 15.4° 0 mm
2022 18.6° 15.2° 4.4 mm
2021 18.3° 12.2° 0 mm
2020 20.4° 18.1° 20 mm
2019 17° 13.3° 0 mm
2018 18.9° 12.1° 0 mm
2017 18.5° 11.4° 0 mm
2016 19.2° 14.4° 1.2 mm
2015 21.3° 14.9° 0 mm
2014 16° 12.3° 22.6 mm
2013 17° 13.7° 0 mm
2012 19.6° 16.5° 0 mm
2011 17.3° 13.3° 0.9 mm
2010 18.7° 16.3° 7.2 mm
2009 18.8° 15.5° 10.4 mm
2008 17.7° 14.6° 4.1 mm
2007 21.7° 15.8° 0.1 mm
2006 18.6° 15.9° 7.5 mm
2005 21.8° 15.8° 0 mm
2004 17.7° 14.7° 0.1 mm
2003 17° 15.2° 1.8 mm
2002 24.2° 17.6° 0 mm
2001 18.9° 14.3° 0 mm
2000 16.7° 12.8° 0.2 mm
1999 18.3° 13.1° 7 mm
1998 15.2° 13.4° 4.2 mm
1997 24.5° 18° 0 mm
1996 24.2° 16.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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