August 21 in Ballyknockan Upper, through the years

Typical high: 17.9°. Hottest: 21.9° (2018). Coldest night: 7.2° (2004).

YEARHIGHLOWRAIN
2025 16.9° 10° 0.2 mm
2024 16.6° 10.4° 1.1 mm
2023 19.5° 14.8° 0.1 mm
2022 17.9° 8.3° 0 mm
2021 18.8° 13.9° 23 mm
2020 18.4° 13.1° 8.2 mm
2019 15.9° 11.2° 3.8 mm
2018 21.9° 13.4° 0 mm
2017 20° 13.3° 6.3 mm
2016 17.1° 13.3° 5.6 mm
2015 18.4° 13.1° 1.3 mm
2014 15.3° 8.4° 1.7 mm
2013 19.6° 14.5° 0.2 mm
2012 19.1° 12.5° 0.9 mm
2011 17.4° 10.1° 0.5 mm
2010 18.1° 12° 0.3 mm
2009 16.2° 10° 0.4 mm
2008 17.4° 12.7° 0.3 mm
2007 17.1° 9.9° 0 mm
2006 17.3° 11.7° 0.1 mm
2005 18.5° 11.4° 4.9 mm
2004 15.9° 7.2° 0.3 mm
2003 21.2° 13.1° 0.3 mm
2002 18.5° 8.6° 0.1 mm
2001 17.1° 10.9° 2.6 mm
2000 16.4° 7.5° 2.3 mm
1999 15.7° 7.6° 0 mm
1998 16.7° 12.3° 1.3 mm
1997 20.4° 15.6° 6.9 mm
1996 17.1° 12.5° 5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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