August 17 in Challis, through the years

Typical high: 25.2°. Hottest: 30.7° (2020). Coldest night: 1.2° (2009).

YEARHIGHLOWRAIN
2025 21.6° 11.8° 2.1 mm
2024 27.6° 6.1° 0 mm
2023 30.4° 13.2° 0.2 mm
2022 30.4° 12.1° 0 mm
2021 23.2° 11.5° 0.2 mm
2020 30.7° 13° 0 mm
2019 22.3° 6.3° 0 mm
2018 25° 9.5° 2.3 mm
2017 25.4° 6.8° 0 mm
2016 27.9° 12.4° 0.6 mm
2015 21.8° 6.9° 0 mm
2014 25.4° 0 mm
2013 28° 8.4° 0 mm
2012 29.4° 10.1° 0 mm
2011 27.4° 6.5° 0 mm
2010 27.3° 8.3° 0 mm
2009 18.8° 1.2° 0 mm
2008 29.5° 10.1° 0 mm
2007 25.6° 12° 0.5 mm
2006 16.7° 5.9° 4.5 mm
2005 22.4° 7.7° 0 mm
2004 18.6° 12° 8 mm
2003 22.8° 8.8° 0 mm
2002 26.4° 5.1° 0 mm
2001 29.1° 10° 0 mm
2000 26.8° 0 mm
1999 27.1° 7.3° 0 mm
1998 22.4° 8.4° 0.3 mm
1997 22.4° 5.8° 0.6 mm
1996 24.6° 9.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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