Rishiri

How to get there

When to go

Best months: July, August, September

Month Avg high Avg low Rainfall
January -3° -6° 118 mm
February -3° -6° 81 mm
March -2° 73 mm
April 66 mm
May 12° 87 mm
June 16° 11° 108 mm
July 21° 16° 107 mm
August 22° 18° 154 mm
September 19° 15° 122 mm
October 13° 141 mm
November 144 mm
December -1° -4° 115 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.