September 8 in Rockville, through the years

Typical high: 26.7°. Hottest: 35.4° (2022). Coldest night: 5.2° (2020).

YEARHIGHLOWRAIN
2025 24.8° 16.3° 2 mm
2024 27.8° 11.4° 0 mm
2023 30.3° 13° 0 mm
2022 35.4° 18.9° 0 mm
2021 28.5° 11° 0 mm
2020 11.4° 5.2° 19.9 mm
2019 22.9° 15.8° 0.3 mm
2018 21.5° 15.4° 0.1 mm
2017 30.9° 12.9° 0 mm
2016 26.6° 15.9° 0 mm
2015 26.6° 16.2° 0.8 mm
2014 30.6° 15.8° 0 mm
2013 35.4° 18.6° 0.3 mm
2012 29.3° 7.2° 0 mm
2011 23.7° 9.4° 0 mm
2010 24° 12.6° 1.2 mm
2009 25.7° 16.9° 0.4 mm
2008 16.9° 8.6° 6.6 mm
2007 27.7° 13.2° 0.3 mm
2006 26.3° 12.5° 0 mm
2005 32.3° 18.6° 0 mm
2004 28° 14.1° 0.9 mm
2003 28.4° 15° 0 mm
2002 33° 21.8° 0 mm
2001 16.8° 9.8° 7.8 mm
2000 32.5° 12° 0 mm
1999 23.5° 10.7° 0 mm
1998 25.7° 13.3° 0 mm
1997 28.8° 16.8° 9.5 mm
1996 24.4° 12.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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