September 5 in Santa Rosa, through the years

Typical high: 21.6°. Hottest: 23.7° (1997). Coldest night: 11.1° (2010).

YEARHIGHLOWRAIN
2025 20° 13.8° 8.7 mm
2024 20.1° 15.2° 13.7 mm
2023 21.6° 14.6° 4.6 mm
2022 18.7° 12.3° 10.1 mm
2021 23.2° 12.9° 12.8 mm
2020 22.6° 14.3° 9.9 mm
2019 21.8° 13.7° 7.7 mm
2018 21.4° 13.1° 10.5 mm
2017 23.3° 11.6° 1.1 mm
2016 22.4° 12.6° 21.8 mm
2015 21.4° 13.3° 4.4 mm
2014 19.8° 12.3° 8.8 mm
2013 20.9° 12.9° 12.3 mm
2012 20.9° 13.3° 7.9 mm
2011 22.7° 12° 0.4 mm
2010 23.5° 11.1° 12 mm
2009 22.5° 13.5° 2.9 mm
2008 22.8° 13.8° 11.9 mm
2007 21.9° 12.2° 20.7 mm
2006 21.2° 12° 15 mm
2005 22° 12.6° 10.3 mm
2004 20.5° 13.6° 9.9 mm
2003 21.6° 12.4° 3.1 mm
2002 21.4° 12.2° 1.8 mm
2001 21.3° 13.3° 14.2 mm
2000 20.1° 12.9° 20.1 mm
1999 20.6° 12.7° 10.4 mm
1998 20.7° 11.8° 15.1 mm
1997 23.7° 12.7° 4.3 mm
1996 22.7° 11.9° 12 mm
Source: ERA5 reanalysis (Copernicus C3S)

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