September 4 in San Juan, through the years

Typical high: 30.6°. Hottest: 32.6° (1998). Coldest night: 24.3° (2000).

YEARHIGHLOWRAIN
2025 29.2° 25.3° 32.8 mm
2024 30.5° 26.7° 14.7 mm
2023 31.9° 26.9° 1.3 mm
2022 31.9° 26.9° 1.2 mm
2021 30.8° 25.1° 10.6 mm
2020 31° 25.7° 2.4 mm
2019 30.9° 25.3° 1 mm
2018 30.9° 24.6° 0.6 mm
2017 30.5° 26.6° 2.6 mm
2016 30.3° 27° 5.9 mm
2015 31.4° 25.9° 1.5 mm
2014 29.6° 25.6° 4.3 mm
2013 29.6° 24.6° 4.8 mm
2012 31.1° 25.6° 1.2 mm
2011 29.4° 25.4° 6.1 mm
2010 27° 25° 23.6 mm
2009 30° 25.6° 13.2 mm
2008 31.7° 25.3° 2.6 mm
2007 31.5° 25.5° 0.6 mm
2006 31.4° 25.4° 2.8 mm
2005 30.6° 25° 0.6 mm
2004 31.8° 25.7° 0.4 mm
2003 29.1° 24.4° 4.6 mm
2002 30.9° 25.1° 1.5 mm
2001 29.7° 25.3° 0.3 mm
2000 29.7° 24.3° 14.2 mm
1999 30.9° 25.5° 11.3 mm
1998 32.6° 25.7° 4.8 mm
1997 31.3° 24.5° 13.8 mm
1996 31.6° 25° 0.3 mm
Source: ERA5 reanalysis (Copernicus C3S)

Full San Juan forecast → · Will it rain today?