September 10 in El Guanacaste, through the years

Typical high: 29.8°. Hottest: 32.1° (1997). Coldest night: 19.5° (2001).

YEARHIGHLOWRAIN
2025 29.8° 21.9° 2.3 mm
2024 30.8° 21.2° 0.2 mm
2023 31.4° 22.8° 0.1 mm
2022 29.5° 21.3° 14 mm
2021 29.4° 21.3° 10.9 mm
2020 29.9° 21.8° 5.7 mm
2019 30.1° 21.3° 2.1 mm
2018 30.4° 21.6° 13.7 mm
2017 30.4° 21.1° 3.1 mm
2016 30.5° 22.3° 1.9 mm
2015 28.7° 21.5° 0.5 mm
2014 29.8° 22.1° 14.4 mm
2013 29.5° 21.8° 12.7 mm
2012 28.2° 21.5° 1.9 mm
2011 30.9° 20.8° 1.9 mm
2010 30.4° 20.9° 9.5 mm
2009 30.8° 21.3° 1.5 mm
2008 30.4° 21.4° 1.2 mm
2007 30.3° 20.3° 3.4 mm
2006 29.1° 21.6° 16.9 mm
2005 28.7° 23° 0.9 mm
2004 30.6° 20.7° 8.9 mm
2003 29.4° 20.6° 0.8 mm
2002 30.1° 22.5° 1.3 mm
2001 29° 19.5° 1.3 mm
2000 27.6° 20.7° 8.3 mm
1999 26.9° 20.6° 2.2 mm
1998 29.8° 20.7° 4.1 mm
1997 32.1° 20.7° 0 mm
1996 29.5° 20.8° 1 mm
Source: ERA5 reanalysis (Copernicus C3S)

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