When planning a visit to Rishiri Island in Japan, it helps to know that temperatures typically range from 0°C (32°F) in January up to 22°C (72°F) during the peak of August. Our detailed climate overview is based on data from Rishirifuji, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
Rishiri Island offers pleasant conditions in July, August and September, with temperatures typically ranging from 19°C (66°F) to 22°C (72°F).
The colder months are generally January, February, March, April, November and December.
When it comes to rainfall, Rishiri Island sees significant variations throughout the year. November tends to be the wettest, receiving 149 mm (5.9 in) of rain, while April is much drier with just 64 mm (2.5 in).
For those seeking sunshine, May usually has the brightest skies, making it an excellent time for exploring the region.
