September 1 in San Dimas, through the years

Typical high: 24.8°. Hottest: 27° (2016). Coldest night: 17.4° (2019).

YEARHIGHLOWRAIN
2025 24.9° 18.9° 2.6 mm
2024 23.7° 18.1° 1.7 mm
2023 26.6° 21.3° 21.5 mm
2022 26.3° 18.5° 1.5 mm
2021 23.9° 19.5° 7.6 mm
2020 23.2° 18.9° 6.8 mm
2019 25.7° 17.4° 0.8 mm
2018 24.4° 18.8° 5.6 mm
2017 24.8° 19.5° 13.8 mm
2016 27° 20.7° 2.7 mm
2015 24.7° 19.1° 2.9 mm
2014 25.7° 19.5° 6.8 mm
2013 24.4° 18.8° 0.2 mm
2012 22.9° 18.8° 8.9 mm
2011 24.8° 20.1° 3.3 mm
2010 26.8° 18.6° 1.2 mm
2009 25.3° 18.9° 22.7 mm
2008 25.9° 19.4° 0.6 mm
2007 25.3° 18.8° 2.4 mm
2006 25.9° 19.4° 11.4 mm
2005 25.8° 18° 3.8 mm
2004 25.2° 20.2° 9.1 mm
2003 23.1° 18.2° 7.8 mm
2002 22.1° 18.9° 10.2 mm
2001 23.6° 19.2° 2.1 mm
2000 24.5° 19.1° 4 mm
1999 23.1° 18.8° 6.2 mm
1998 24° 18.3° 6.8 mm
1997 25.3° 19.3° 1.6 mm
1996 24.6° 19.2° 3.5 mm
Source: ERA5 reanalysis (Copernicus C3S)

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