August 27 in Keystone, through the years

Typical high: 21.9°. Hottest: 27.1° (2020). Coldest night: 3.7° (2006).

YEARHIGHLOWRAIN
2025 18.7° 9.9° 20.5 mm
2024 23.6° 5.5° 0 mm
2023 25.3° 11.6° 1.8 mm
2022 22.7° 7.3° 0.3 mm
2021 25.8° 7.9° 0.1 mm
2020 27.1° 11.1° 0.4 mm
2019 23.8° 6.4° 0 mm
2018 22.4° 10.5° 0 mm
2017 26.8° 9.6° 0 mm
2016 20.2° 4.2° 0 mm
2015 17.9° 10.7° 10 mm
2014 12.6° 7.5° 11.3 mm
2013 23.8° 9.8° 2.6 mm
2012 25.1° 8.8° 3.4 mm
2011 26.1° 10.4° 0.1 mm
2010 22.9° 7.8° 0 mm
2009 24.1° 6.8° 0 mm
2008 24.4° 6.9° 0 mm
2007 15.4° 9.6° 8.2 mm
2006 13.7° 3.7° 9.3 mm
2005 22.8° 5.8° 0.1 mm
2004 13.7° 5.1° 7 mm
2003 23.8° 9.4° 2.5 mm
2002 22.9° 6.9° 0 mm
2001 25.7° 7.1° 0 mm
2000 21.6° 8.1° 0.1 mm
1999 22.3° 9.7° 6 mm
1998 19.7° 8.4° 2.1 mm
1997 21.7° 7.2° 3.3 mm
1996 20.8° 7.4° 5.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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