September 5 in East Contra Costa, through the years

Typical high: 29.7°. Hottest: 40.5° (2022). Coldest night: 11.1° (2015).

YEARHIGHLOWRAIN
2025 25.7° 16° 0 mm
2024 35° 15.4° 0 mm
2023 29° 14.8° 0 mm
2022 40.5° 17.9° 0 mm
2021 33.5° 12.8° 0 mm
2020 35.7° 16.6° 0 mm
2019 27.5° 16.8° 0 mm
2018 25.5° 14° 0 mm
2017 31.4° 21.6° 0 mm
2016 27.9° 12.4° 0 mm
2015 28.4° 11.1° 0 mm
2014 28° 15.4° 0 mm
2013 28.8° 16.2° 0 mm
2012 25° 13.2° 0.1 mm
2011 26.6° 12.9° 0 mm
2010 30.4° 14° 0 mm
2009 26.3° 14° 0 mm
2008 35.8° 15.8° 0 mm
2007 32.2° 14.9° 0 mm
2006 30.6° 13.1° 0 mm
2005 28.3° 12.4° 0 mm
2004 34.7° 17.7° 0 mm
2003 26° 14.5° 0 mm
2002 24.7° 14.1° 0 mm
2001 26.9° 15.6° 0 mm
2000 26.6° 11.6° 0 mm
1999 31.9° 12.6° 0 mm
1998 29.5° 19° 0 mm
1997 31.4° 19.1° 0 mm
1996 28.2° 12.5° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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