September 3 in Yellowstone, through the years

Typical high: 25.6°. Hottest: 34° (2023). Coldest night: 8.5° (2009).

YEARHIGHLOWRAIN
2025 19.8° 12.1° 7.7 mm
2024 24.3° 10.8° 0 mm
2023 34° 18.8° 0 mm
2022 25° 17.9° 7.2 mm
2021 19.9° 16.8° 3.3 mm
2020 24.2° 14.3° 0 mm
2019 26.4° 18.5° 4.9 mm
2018 24.2° 20.2° 13.8 mm
2017 27.2° 11.6° 0 mm
2016 24.6° 12.3° 0 mm
2015 30.6° 20.8° 6.1 mm
2014 28.5° 13° 0 mm
2013 23.7° 8.8° 0 mm
2012 30.6° 18.2° 0.5 mm
2011 25° 17.7° 21.3 mm
2010 17.4° 13.2° 0 mm
2009 22.8° 8.5° 0 mm
2008 20.9° 15° 1.6 mm
2007 30.1° 16.9° 0 mm
2006 21.9° 12.9° 14.1 mm
2005 27.1° 10.2° 0 mm
2004 27.4° 15.8° 0 mm
2003 26° 14.6° 0 mm
2002 25.7° 14° 0 mm
2001 28.9° 18.5° 6.5 mm
2000 27.1° 19.5° 0 mm
1999 30.9° 18.5° 0.1 mm
1998 25.6° 12.2° 4.5 mm
1997 19.2° 9.6° 0 mm
1996 29.5° 15.4° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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