Union Island

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When to go

Best months: January, February, March, April, May, December

Month Avg high Avg low Rainfall
January 27° 25° 42 mm
February 27° 25° 24 mm
March 27° 25° 25 mm
April 27° 26° 24 mm
May 28° 26° 36 mm
June 28° 26° 94 mm
July 28° 26° 142 mm
August 29° 27° 138 mm
September 29° 27° 115 mm
October 29° 27° 133 mm
November 28° 26° 146 mm
December 28° 26° 62 mm

Averages for 2015-2024 from the ERA5 reanalysis. Highlighted months have an average high between 18 and 30 degrees and under 80 mm of rain.

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