September 4 in Koyama, through the years

Typical high: 29.5°. Hottest: 34.9° (2010). Coldest night: 17.2° (1996).

YEARHIGHLOWRAIN
2025 30.5° 24.6° 12 mm
2024 31.9° 20.8° 0 mm
2023 32.3° 25.2° 0.2 mm
2022 31.4° 23.1° 2.3 mm
2021 25.1° 20.7° 8.7 mm
2020 29.3° 25.3° 1.8 mm
2019 31.9° 24° 8.8 mm
2018 28.9° 24.5° 47.4 mm
2017 27.2° 17.8° 0 mm
2016 31.6° 25.2° 0.4 mm
2015 28.5° 20.9° 0.3 mm
2014 26.2° 22.3° 21.9 mm
2013 26.4° 18.5° 53.6 mm
2012 31.3° 22° 0.3 mm
2011 26° 22.8° 81.6 mm
2010 34.9° 25° 0 mm
2009 30.6° 21.6° 1.2 mm
2008 27.9° 22.1° 0.2 mm
2007 32° 23.5° 0.2 mm
2006 31.4° 18.7° 0 mm
2005 29.6° 21.6° 16.6 mm
2004 27.9° 21.1° 11.3 mm
2003 31° 21.2° 0 mm
2002 34.8° 23.4° 0 mm
2001 26.7° 18.5° 1.1 mm
2000 28.1° 18° 0 mm
1999 27.2° 21.3° 14.7 mm
1998 28.6° 17.7° 0 mm
1997 27.8° 19.1° 0 mm
1996 26.8° 17.2° 1.7 mm
Source: ERA5 reanalysis (Copernicus C3S)

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