August 31 in Boston, through the years

Typical high: 25.7°. Hottest: 29.3° (2005). Coldest night: 20.7° (2025).

YEARHIGHLOWRAIN
2025 22.6° 20.7° 0 mm
2024 24.6° 23° 0 mm
2023 25.7° 21.7° 2.3 mm
2022 28.3° 25.5° 0.1 mm
2021 28.1° 26.5° 0 mm
2020 25.6° 24.7° 0 mm
2019 24.8° 23.8° 0 mm
2018 26.8° 25.4° 1.7 mm
2017 25.1° 23° 0 mm
2016 26.1° 25° 0 mm
2015 25.2° 24.2° 5.3 mm
2014 26.2° 24.6° 0 mm
2013 25.4° 23.5° 0 mm
2012 27.7° 25° 0 mm
2011 23.3° 21.4° 0 mm
2010 27.9° 25.8° 0 mm
2009 26° 21.5° 14.4 mm
2008 25.3° 23.7° 0 mm
2007 27° 24.6° 0 mm
2006 23.7° 22.4° 64.8 mm
2005 29.3° 26.8° 0 mm
2004 26.3° 24.3° 14.5 mm
2003 25° 22.8° 1 mm
2002 24.2° 22.4° 14.8 mm
2001 26.3° 24.1° 0 mm
2000 25° 24.2° 2.9 mm
1999 23.1° 21.6° 2.1 mm
1998 26.4° 25.1° 0 mm
1997 24.8° 23.8° 0 mm
1996 24.4° 22.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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