August 31 in Penttilänlahti, through the years

Typical high: 15.9°. Hottest: 23.9° (1996). Coldest night: 2.5° (2007).

YEARHIGHLOWRAIN
2025 16.9° 9.2° 0.7 mm
2024 17.7° 13.8° 23.5 mm
2023 18.5° 14.5° 19.1 mm
2022 10.8° 6.2° 0.9 mm
2021 17.4° 7.6° 0 mm
2020 16.7° 8.5° 0.4 mm
2019 20° 12° 0 mm
2018 16.1° 12.8° 2.2 mm
2017 14.6° 8.9° 4.9 mm
2016 16.9° 7.8° 0 mm
2015 18.4° 7.9° 0 mm
2014 12.1° 5.3° 0 mm
2013 17.6° 5.4° 0 mm
2012 13.2° 6.6° 0 mm
2011 14.4° 10.9° 4.7 mm
2010 13.4° 5.3° 0 mm
2009 15.2° 10.4° 2.2 mm
2008 8.7° 3.9° 0 mm
2007 12.1° 2.5° 2.5 mm
2006 18.5° 12.7° 0 mm
2005 16.3° 8.8° 0 mm
2004 18.3° 13.6° 3.2 mm
2003 8.8° 5.2° 1.4 mm
2002 18° 11.6° 14.1 mm
2001 17.2° 8.7° 0.1 mm
2000 19.2° 11.5° 1.4 mm
1999 15.1° 9.3° 0.7 mm
1998 10.3° 4.9° 0 mm
1997 19.7° 10.6° 0 mm
1996 23.9° 14.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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