August 18 in Harvard, through the years

Typical high: 25.4°. Hottest: 29.5° (2016). Coldest night: 10.5° (2012).

YEARHIGHLOWRAIN
2025 27.1° 20.2° 15.3 mm
2024 25° 18.9° 1.6 mm
2023 24.1° 12.2° 0 mm
2022 27.8° 14.4° 0 mm
2021 28.8° 18.9° 0.3 mm
2020 24.9° 16.6° 0 mm
2019 26.5° 19.2° 4.7 mm
2018 26.4° 18.8° 0.9 mm
2017 25.3° 18° 0.2 mm
2016 29.5° 20.6° 0.2 mm
2015 26.4° 19.8° 7.8 mm
2014 27.9° 15.9° 4.6 mm
2013 26.3° 13.5° 0 mm
2012 23.4° 10.5° 0 mm
2011 27.3° 15.2° 0 mm
2010 26.1° 16° 0 mm
2009 24.8° 16.1° 0.4 mm
2008 28.8° 17.6° 0 mm
2007 18.1° 14.7° 3.5 mm
2006 26.1° 19.9° 31.9 mm
2005 28.8° 20.6° 6.7 mm
2004 24.1° 13.2° 0 mm
2003 28.2° 15.9° 0 mm
2002 25.1° 12.1° 0 mm
2001 20.4° 16.7° 9.7 mm
2000 23.1° 14.2° 0 mm
1999 21.1° 16.3° 2.6 mm
1998 24.7° 15.3° 0 mm
1997 19.2° 13.3° 0 mm
1996 26.2° 16.1° 1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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