September 4 in Santa Rosa, through the years

Typical high: 24.6°. Hottest: 35.4° (2017). Coldest night: 3.1° (2006).

YEARHIGHLOWRAIN
2025 24.4° 11.3° 13.2 mm
2024 23° 12.9° 7.5 mm
2023 23.3° 15.1° 20.2 mm
2022 20° 5.7° 0.1 mm
2021 24.3° 19.3° 3.9 mm
2020 26.9° 8.1° 0 mm
2019 23.4° 9.8° 0 mm
2018 21.2° 11.8° 0 mm
2017 35.4° 21.2° 0 mm
2016 15° 12° 1.2 mm
2015 23.7° 13.7° 0 mm
2014 24.3° 20.3° 4.2 mm
2013 23.7° 11.5° 0 mm
2012 29.8° 19.9° 0 mm
2011 33° 20.4° 0 mm
2010 18.1° 9.9° 8.9 mm
2009 22.5° 15.9° 1.1 mm
2008 21.2° 11.6° 5.1 mm
2007 34.7° 22.6° 0 mm
2006 15.4° 3.1° 0 mm
2005 20.5° 12.2° 5.9 mm
2004 35.4° 21.9° 0 mm
2003 32.5° 19.6° 0 mm
2002 26.3° 6.5° 0 mm
2001 23.7° 18.2° 0.8 mm
2000 25.7° 12.1° 0 mm
1999 24.2° 16.7° 4.9 mm
1998 19.8° 15.9° 6.4 mm
1997 23.8° 18.5° 26.2 mm
1996 21.3° 4.8° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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