August 15 in Casper, through the years

Typical high: 27.3°. Hottest: 32.8° (2015). Coldest night: 7.3° (2009).

YEARHIGHLOWRAIN
2025 30.6° 14.4° 0.1 mm
2024 26.4° 10.4° 0 mm
2023 31.9° 8.8° 0 mm
2022 23.5° 14.3° 2.5 mm
2021 31.7° 18.1° 0 mm
2020 30.6° 11° 0 mm
2019 27.2° 12.1° 0 mm
2018 28° 11.6° 0 mm
2017 20.9° 10.8° 13.6 mm
2016 28.2° 12.6° 0.5 mm
2015 32.8° 20.5° 0 mm
2014 28° 13.3° 0 mm
2013 29.6° 11.7° 0 mm
2012 21.4° 12.7° 0 mm
2011 30.3° 15.3° 0.3 mm
2010 25° 8.2° 0 mm
2009 16.6° 7.3° 13.1 mm
2008 12.6° 8.7° 4.2 mm
2007 30.6° 17.1° 0 mm
2006 29.8° 11.5° 0.4 mm
2005 26.3° 9.9° 0 mm
2004 29.8° 10.1° 0 mm
2003 31.8° 14.9° 0 mm
2002 27.6° 8.9° 0 mm
2001 24.4° 13.9° 0.2 mm
2000 31.7° 18° 2.6 mm
1999 27.5° 17.6° 0 mm
1998 30.3° 13.1° 0 mm
1997 25.5° 13.3° 0 mm
1996 28° 14.3° 2.1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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