August 18 in Fullerton, through the years

Typical high: 26.8°. Hottest: 34.1° (2020). Coldest night: 16.3° (2009).

YEARHIGHLOWRAIN
2025 26° 18.5° 0 mm
2024 26.9° 18.2° 0 mm
2023 28° 18.3° 0 mm
2022 27.5° 19.7° 0 mm
2021 23.3° 20.9° 0.8 mm
2020 34.1° 21.5° 0 mm
2019 24.2° 18° 0 mm
2018 27.2° 21.5° 0 mm
2017 25.1° 18.3° 0 mm
2016 27.2° 17.7° 0 mm
2015 25.9° 20.8° 0 mm
2014 27.5° 19.3° 0 mm
2013 26.5° 17° 0 mm
2012 30.7° 22.1° 0 mm
2011 27.1° 17.1° 0 mm
2010 29.2° 19.6° 0 mm
2009 22.8° 16.3° 0 mm
2008 24.5° 19.2° 0 mm
2007 28.5° 21° 0 mm
2006 26.1° 17° 0 mm
2005 24.4° 17.5° 0 mm
2004 24.8° 17.7° 0 mm
2003 28.4° 19.6° 0 mm
2002 23.6° 17° 0 mm
2001 29.2° 18.9° 0 mm
2000 29.7° 19.8° 0 mm
1999 25.9° 17° 0 mm
1998 26.3° 18.3° 0 mm
1997 26.5° 17.2° 0 mm
1996 27° 18.9° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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