August 18 in Umatilla, through the years

Typical high: 33.4°. Hottest: 40.3° (2022). Coldest night: 12.1° (1998).

YEARHIGHLOWRAIN
2025 31.3° 15.7° 0 mm
2024 31.3° 18.6° 0 mm
2023 36.3° 23.3° 0 mm
2022 40.3° 21.9° 0 mm
2021 28.4° 16.4° 1 mm
2020 40.2° 23.4° 0 mm
2019 33.8° 15.5° 0 mm
2018 34.2° 15° 0 mm
2017 35.2° 15.2° 0 mm
2016 39° 19.8° 0 mm
2015 35.5° 17.4° 0 mm
2014 37.2° 20.2° 0 mm
2013 34.7° 16.4° 0 mm
2012 37.3° 16.7° 0 mm
2011 31.3° 13° 0 mm
2010 34.2° 23.2° 0 mm
2009 35.6° 15.6° 0 mm
2008 34.5° 19.9° 0 mm
2007 28.1° 12.4° 0 mm
2006 35.6° 13.7° 0 mm
2005 30.7° 16.2° 0 mm
2004 35.1° 20.6° 0 mm
2003 36.9° 16.7° 0 mm
2002 30.9° 12.8° 0 mm
2001 28.9° 17.4° 0 mm
2000 27.8° 14.9° 0 mm
1999 32.6° 20.4° 0 mm
1998 27.4° 12.1° 0 mm
1997 30.7° 17.5° 0 mm
1996 25.7° 12.7° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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