August 21 in Big Sky, through the years

Typical high: 21.4°. Hottest: 25.9° (2009). Coldest night: 0.2° (2000).

YEARHIGHLOWRAIN
2025 22.7° 10.5° 0.1 mm
2024 21.1° 6.5° 0.4 mm
2023 21.1° 10.8° 2.2 mm
2022 22.7° 9.7° 3 mm
2021 16.5° 5.2° 6.3 mm
2020 24.7° 6.6° 0.2 mm
2019 25.2° 8.2° 0 mm
2018 13.2° 2.2° 2.9 mm
2017 20.9° 6.1° 0 mm
2016 24.8° 4.4° 0.1 mm
2015 21.6° 5.8° 1.2 mm
2014 16.5° 6.8° 11.8 mm
2013 23.7° 8.8° 3.3 mm
2012 24.4° 7.2° 1 mm
2011 23.8° 6.9° 0.8 mm
2010 25.4° 9.5° 0 mm
2009 25.9° 6.7° 0 mm
2008 18.7° 5.9° 0.9 mm
2007 18.2° 6.5° 0.7 mm
2006 24.6° 5.8° 0.2 mm
2005 25.4° 6.2° 0 mm
2004 19.6° 6.4° 0.2 mm
2003 25.4° 8.7° 0 mm
2002 16° 3.9° 8.1 mm
2001 19.8° 8.5° 5.8 mm
2000 19.6° 0.2° 0.1 mm
1999 21.4° 8.3° 1.6 mm
1998 19.5° 7.4° 2.8 mm
1997 22.3° 8.6° 0.1 mm
1996 17.3° 5.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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