September 7 in Rockville, through the years

Typical high: 30.3°. Hottest: 36° (1999). Coldest night: 13.4° (2017).

YEARHIGHLOWRAIN
2025 29.8° 20.4° 0 mm
2024 29.8° 19.9° 6.6 mm
2023 33.5° 21.8° 5 mm
2022 32° 22.5° 0.1 mm
2021 31.9° 21.9° 6.3 mm
2020 31.5° 17.8° 0 mm
2019 35.4° 20.8° 0 mm
2018 35° 23.4° 0 mm
2017 26.6° 13.4° 0 mm
2016 33.9° 19.9° 0 mm
2015 28.1° 20.6° 1 mm
2014 31.4° 22.2° 1.8 mm
2013 30.5° 19.9° 0 mm
2012 33.3° 22.9° 0.1 mm
2011 22.1° 16.1° 0 mm
2010 33.2° 18.8° 0 mm
2009 29.6° 19.2° 0 mm
2008 33.6° 22.4° 0.1 mm
2007 29.6° 21° 0 mm
2006 25.7° 20° 0.9 mm
2005 28.1° 18.9° 0 mm
2004 24.8° 23.2° 86.7 mm
2003 26° 18.3° 5.6 mm
2002 30.3° 20.6° 0 mm
2001 31.1° 20.9° 0 mm
2000 22.1° 17.2° 0 mm
1999 36° 21.8° 1.1 mm
1998 32.8° 20.9° 0.4 mm
1997 31.1° 14.3° 0 mm
1996 30.9° 21.9° 0.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

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