August 21 in Castine, through the years

Typical high: 22°. Hottest: 26.2° (2017). Coldest night: 10.5° (2025).

YEARHIGHLOWRAIN
2025 21.5° 10.5° 0 mm
2024 19.6° 15° 1.2 mm
2023 24.8° 18.7° 0.2 mm
2022 24.7° 15.8° 0 mm
2021 22.5° 17.8° 0.4 mm
2020 24.8° 15.6° 0.7 mm
2019 22.3° 15° 21.3 mm
2018 21.2° 14.3° 0 mm
2017 26.2° 15.1° 0 mm
2016 20.9° 15.3° 0 mm
2015 23.3° 18.4° 0.2 mm
2014 22.1° 14.4° 0.8 mm
2013 25.9° 16.4° 0 mm
2012 22.6° 15.1° 0.5 mm
2011 22.5° 17.5° 0.2 mm
2010 22.4° 12.6° 0 mm
2009 23° 17.5° 0.4 mm
2008 23.4° 11.9° 0 mm
2007 19.8° 10.5° 0 mm
2006 21.5° 16.4° 1.2 mm
2005 20.2° 16.4° 5 mm
2004 18.7° 15° 38.4 mm
2003 25.9° 17.9° 0 mm
2002 24.9° 14.2° 0 mm
2001 21.1° 16.2° 1.7 mm
2000 21.7° 12.7° 0 mm
1999 18° 13.7° 8 mm
1998 18.9° 15° 1.3 mm
1997 16.2° 13.4° 2.4 mm
1996 19.4° 14.6° 11.9 mm
Source: ERA5 reanalysis (Copernicus C3S)

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