August 21 in Hermiswil, through the years

Typical high: 20.1°. Hottest: 30° (2023). Coldest night: 6.1° (2017).

YEARHIGHLOWRAIN
2025 15.3° 12° 22 mm
2024 18.6° 12.8° 5.8 mm
2023 30° 14.5° 0 mm
2022 20.9° 11° 0.1 mm
2021 24.8° 9.9° 0 mm
2020 27.8° 15.5° 0 mm
2019 17.1° 8.7° 0 mm
2018 25° 12.2° 0.5 mm
2017 18.2° 6.1° 0 mm
2016 16.7° 10.2° 0.6 mm
2015 20.2° 7.5° 0 mm
2014 15.4° 6.7° 1.4 mm
2013 19.8° 6.4° 0 mm
2012 28° 14.4° 0 mm
2011 28.7° 14.8° 0 mm
2010 24.1° 14° 0 mm
2009 22.6° 16.7° 5.7 mm
2008 19.4° 8.6° 0 mm
2007 12.8° 6.3° 9.3 mm
2006 17.9° 10° 2.3 mm
2005 11.9° 10.3° 33.8 mm
2004 14.7° 9.1° 3.2 mm
2003 21.7° 14.3° 2.1 mm
2002 17.9° 13° 11 mm
2001 21° 10.6° 0 mm
2000 18.9° 12.2° 22.9 mm
1999 18.5° 8.3° 0 mm
1998 16.5° 11.6° 7.6 mm
1997 22.1° 9.9° 0.5 mm
1996 17.9° 11.9° 6.4 mm
Source: ERA5 reanalysis (Copernicus C3S)

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