August 18 in Ukiah, through the years

Typical high: 29.5°. Hottest: 34.8° (2020). Coldest night: 10.3° (2007).

YEARHIGHLOWRAIN
2025 25.9° 11.1° 0 mm
2024 24.3° 12.2° 0 mm
2023 30.5° 17.9° 0.6 mm
2022 32.4° 18.6° 0 mm
2021 29.9° 12.8° 0 mm
2020 34.8° 19.9° 0 mm
2019 28.8° 14.8° 0 mm
2018 32.6° 14° 0 mm
2017 31.2° 16.6° 0 mm
2016 32.2° 16.6° 0 mm
2015 33.2° 14.9° 0 mm
2014 29.3° 15° 0 mm
2013 34.7° 15.9° 0 mm
2012 29.6° 15.2° 0 mm
2011 30.4° 14.4° 0 mm
2010 27.1° 12.3° 0 mm
2009 33.6° 15° 0 mm
2008 21.6° 13.4° 0 mm
2007 24.8° 10.3° 0 mm
2006 29.4° 14.7° 0 mm
2005 25.8° 13° 0 mm
2004 32° 15.3° 0 mm
2003 33.7° 16.4° 0 mm
2002 31.7° 14.8° 0 mm
2001 29.9° 12.9° 0 mm
2000 25.1° 10.8° 0 mm
1999 26.4° 12.7° 0 mm
1998 25.8° 11.8° 0.2 mm
1997 26.9° 12.9° 0 mm
1996 30.7° 13.2° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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