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Rishiri Island

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Rishiri Island Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Rishiri Island year round climate

  • Spring (March–May): Average -32–47°F, cold and dry climate, occasional snowfall. Common activities: Sightseeing, hiking (dress warmly). Recommended clothing: Thick coat, hat, scarf, gloves.
  • Summer (June–August): Average 56–68°F, cool climate, less rainfall. Common activities: Mountain climbing, viewing Rishiri Fuji, seaside recreation. Recommended clothing: Light jacket, long-sleeved clothing.
  • Autumn (September–November): Average 65–41°F, comfortable climate, low rainfall. Common activities: Viewing autumn leaves, seaside walks. Recommended clothing: Light jacket, long-sleeved shirt.
  • Winter (December–February): Average -2.8–-36.0°F, cold and dry climate, little snowfall. Common activities: Skiing (depending on snow conditions), enjoying snow scenery. Recommended clothing: Heavy warm clothing, waterproof jacket, snow boots.

Rishiri Island climatological average

Annual average temperature: approx. 46.6°F / Annual rainfall: approx. 49 mm / Summer humidity: 60%–70% / Rainiest month: August

Rishiri Island monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
27.9°F
6.8
February
27°F
2.4
March
31.6°F
2.2
April
43°F
1.2
May
47.7°F
4.8
June
56.1°F
4.3
July
64.9°F
5.4
August
68°F
7.5
September
65.1°F
2.8
October
55.9°F
4
November
41.9°F
4.8
December
28°F
3.7

Rishiri Island weather for the next seven days

1/14
Wednesday
Blowing snow
19.3°F/18.4°F
1/15
Thursday
Blowing snow
26.4°F/21.3°F
1/16
Friday
Light snow showers
29.6°F/26.5°F
1/17
Saturday
Moderate or heavy snow showers
29.3°F/27.9°F
1/18
Sunday
Moderate or heavy snow showers
27.5°F/26.3°F
1/19
Monday
Heavy snow
27.2°F/23.6°F
1/20
Tuesday
Blizzard
22.7°F/19.7°F