August 21 in Heimosilta, through the years

Typical high: 19.8°. Hottest: 26° (1996). Coldest night: 6.3° (2025).

YEARHIGHLOWRAIN
2025 15.4° 6.3° 1 mm
2024 21.4° 10.2° 0 mm
2023 21.3° 0.4 mm
2022 21.4° 16.6° 0.3 mm
2021 15.6° 9.8° 5.4 mm
2020 23.6° 10.3° 0 mm
2019 19.1° 12.4° 1.9 mm
2018 15.9° 12° 18.5 mm
2017 15.6° 13.5° 7.1 mm
2016 22.4° 11.4° 0 mm
2015 24.2° 10.6° 0 mm
2014 18.2° 12.2° 1.9 mm
2013 21.9° 12.2° 0 mm
2012 16.2° 6.6° 0 mm
2011 18.8° 12° 0.3 mm
2010 21.5° 11.7° 0 mm
2009 19° 8.7° 0 mm
2008 20° 15° 0.3 mm
2007 22.6° 12.6° 0.9 mm
2006 21.9° 14.6° 4.5 mm
2005 18.5° 13.3° 6.8 mm
2004 20° 15.1° 2.6 mm
2003 18.6° 13.2° 6.4 mm
2002 20.9° 12.9° 0 mm
2001 17.5° 11.9° 1.4 mm
2000 16.9° 11.6° 8.8 mm
1999 17.9° 11.2° 0 mm
1998 16.2° 12.7° 7.5 mm
1997 24° 13° 0.6 mm
1996 26° 14.2° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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