Koumac

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When to go

Best months: May, June, July, August, September, October

Month Avg high Avg low Rainfall
January 30° 24° 233 mm
February 30° 24° 201 mm
March 29° 24° 192 mm
April 28° 22° 151 mm
May 27° 21° 42 mm
June 25° 19° 42 mm
July 25° 18° 58 mm
August 25° 18° 59 mm
September 26° 19° 39 mm
October 27° 20° 71 mm
November 28° 21° 100 mm
December 29° 23° 202 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.