August 20 in Castlerock, through the years

Typical high: 15.3°. Hottest: 18.6° (1997). Coldest night: 11.5° (2007).

YEARHIGHLOWRAIN
2025 15.6° 14.1° 0 mm
2024 14.2° 11.7° 15.5 mm
2023 17.9° 15.3° 0.3 mm
2022 15.1° 13.5° 5.6 mm
2021 17.2° 14.2° 8.3 mm
2020 17.7° 14.4° 8.1 mm
2019 15.4° 12.6° 5.6 mm
2018 14.2° 13.2° 2.8 mm
2017 14.5° 13.3° 0 mm
2016 15° 14.4° 3.4 mm
2015 17° 14° 0.9 mm
2014 12.8° 11.7° 0.8 mm
2013 15.7° 13.8° 8 mm
2012 16.7° 14.7° 1.9 mm
2011 15.6° 12.6° 0 mm
2010 17.8° 14.5° 4.7 mm
2009 15.6° 13.3° 26.5 mm
2008 14.6° 13.7° 0.2 mm
2007 13.5° 11.5° 6 mm
2006 14.9° 14° 2.7 mm
2005 14.7° 13.8° 0.4 mm
2004 13.8° 12.7° 0.3 mm
2003 15.6° 14.3° 0.7 mm
2002 13.4° 12.8° 0 mm
2001 15.7° 12.9° 0.7 mm
2000 13.7° 13° 0.1 mm
1999 13.5° 12.2° 0 mm
1998 14.7° 13.7° 13.6 mm
1997 18.6° 16.6° 5.7 mm
1996 14° 12.9° 7.2 mm
Source: ERA5 reanalysis (Copernicus C3S)

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