September 4 in San Juan, through the years

Typical high: 15.7°. Hottest: 21.7° (2004). Coldest night: -5.2° (2000).

YEARHIGHLOWRAIN
2025 12.2° 2.3° 1 mm
2024 16.6° 2.7° 0.3 mm
2023 15.2° 4.1° 0 mm
2022 10.9° -2.3° 0.9 mm
2021 19.2° 5.6° 0 mm
2020 20.1° 2.3° 0 mm
2019 13.8° 3.5° 0.6 mm
2018 14.6° -2.9° 0 mm
2017 15.5° 7.2° 5.8 mm
2016 9.4° -1.3° 0 mm
2015 13.9° 4.5° 1.7 mm
2014 18.6° 3.6° 2.5 mm
2013 14.8° 1.8° 0 mm
2012 19.1° 3.8° 0 mm
2011 19.8° 0 mm
2010 12.2° -0.7° 0 mm
2009 13.6° 4.8° 0.2 mm
2008 14.1° -1.1° 0.8 mm
2007 18.2° 0 mm
2006 11.4° 1.3° 0 mm
2005 15.5° 0.3° 0 mm
2004 21.7° 6.5° 0 mm
2003 18.5° 0.4° 0 mm
2002 17° 0.3° 0 mm
2001 14.9° 4.5° 0 mm
2000 11.9° -5.2° 0.7 mm
1999 18.8° 1.2 mm
1998 14.6° 1.5° 0 mm
1997 21.1° 5.8° 0 mm
1996 14.3° -3° 0 mm
Source: ERA5 reanalysis (Copernicus C3S)

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