August 31 in Rockville, through the years

Typical high: 24.5°. Hottest: 35.5° (2012). Coldest night: 2.1° (2020).

YEARHIGHLOWRAIN
2025 31° 12.5° 0.7 mm
2024 25.6° 5.4° 0 mm
2023 32.5° 14.3° 0 mm
2022 17.5° 5.5° 0 mm
2021 24.9° 5.9° 0.2 mm
2020 18° 2.1° 0 mm
2019 20.2° 6.8° 2.3 mm
2018 31.5° 15.6° 0.2 mm
2017 22.7° 1.2 mm
2016 34.7° 16.5° 0 mm
2015 20° 16.2° 7.6 mm
2014 18.9° 8.5° 0 mm
2013 18.9° 6.1° 0 mm
2012 35.5° 13.4° 0 mm
2011 20.1° 12.2° 0.1 mm
2010 34.6° 16.3° 0 mm
2009 24° 12.7° 0 mm
2008 19.8° 8.3° 0.6 mm
2007 30.1° 10.6° 0 mm
2006 16.5° 4.1° 0 mm
2005 21.7° 13.3° 2.6 mm
2004 22.5° 15.1° 0.4 mm
2003 35.4° 10.4° 0 mm
2002 18.3° 7.3° 0 mm
2001 16.1° 9.8° 7 mm
2000 26.6° 10.8° 0 mm
1999 23.5° 10.4° 0 mm
1998 29° 11.8° 0 mm
1997 22.1° 11° 3.9 mm
1996 21.3° 10.1° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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