August 20 in Caernarfon, through the years

Typical high: 18.2°. Hottest: 24.2° (1997). Coldest night: 8.2° (2007).

YEARHIGHLOWRAIN
2025 16.5° 13.5° 0 mm
2024 17.5° 13.5° 2.6 mm
2023 19.4° 15.3° 0.5 mm
2022 19.7° 15.5° 1.5 mm
2021 19.6° 15.4° 2.6 mm
2020 20.7° 15.8° 2.2 mm
2019 17.1° 11.6° 0.5 mm
2018 20.8° 16.6° 0.4 mm
2017 17.4° 10.8° 3.6 mm
2016 17.2° 14.7° 17.8 mm
2015 20.3° 14.6° 0.4 mm
2014 14.7° 9.1° 0.3 mm
2013 18.9° 13.7° 0 mm
2012 19° 14° 0 mm
2011 17.7° 11.9° 3.5 mm
2010 19.6° 15.2° 5.9 mm
2009 18.9° 14.4° 4 mm
2008 16.4° 14.5° 2.5 mm
2007 15.7° 8.2° 0.4 mm
2006 18.3° 14.3° 1.8 mm
2005 18.3° 11.5° 0.1 mm
2004 14.7° 11.6° 16.3 mm
2003 18.8° 12.5° 0 mm
2002 17.7° 11.3° 0 mm
2001 18° 12.9° 0 mm
2000 17.3° 8.2° 6.4 mm
1999 16.9° 9.6° 0 mm
1998 16.1° 13.4° 1.4 mm
1997 24.2° 18.3° 4.2 mm
1996 17.8° 14.9° 10.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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