Thanks to SUMIRE-san for being on time! She took me all the way from Kushiro to Lake Akan, showing me how simple, easy, and comfortable hiring a car can be! Five hours to see four attractions – amazing!!
Anonymous User
Solo traveler
Shiretoko Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Shiretoko year round climate
Spring (March–May): Average 3.8–14.9°C, with fluctuating temperatures and relatively high rainfall; snowfall is possible. Common activities: wildlife viewing, hiking (be mindful of weather changes). Recommended clothing: warm jacket, waterproof jacket, layered clothing.
Summer (June–August): Average 19.5–25.1°C, warm and humid with frequent rainfall, especially in July and August. Common activities: brown bear viewing, birdwatching, boating, mountain climbing. Recommended clothing: lightweight and breathable clothing, rain gear, sun protection.
Autumn (September–November): Average 7.5–21.5°C, temperatures gradually decrease, rainfall lessens, and the weather is generally pleasant. Common activities: viewing autumn leaves, wildlife viewing, hiking. Recommended clothing: comfortable warm jacket, waterproof jacket, long-sleeved clothing.
Winter (December–February): Average -1.5–0.8°C, cold and snowy with low temperatures; be mindful of cold weather protection. Common activities: snowshoeing, skiing (depending on snow conditions). Recommended clothing: heavy warm clothing, waterproof jacket, snow boots, hat, gloves, scarf.
Shiretoko climatological average
Annual average temperature: approx. 11°C / Annual rainfall: approx. 1377 mm / Summer humidity: 70%–80% / Rainiest month: August
Shiretoko monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-1.5°C
64.8
February
-0.7°C
49.2
March
3.8°C
103.5
April
10.8°C
92.3
May
14.9°C
113.2
June
19.5°C
130.2
July
24°C
200.4
August
25.1°C
211.6
September
21.5°C
135.7
October
13.5°C
77.9
November
7.5°C
90.5
December
0.8°C
107.9
Shiretoko weather for the next seven days
5/22
Friday
Heavy rain
11.7°C/3.1°C
5/23
Saturday
Partly Cloudy
15.7°C/2.6°C
5/24
Sunday
Patchy rain nearby
15.2°C/8°C
5/25
Monday
Partly Cloudy
26.4°C/12.2°C
5/26
Tuesday
Overcast
22.7°C/10.5°C
5/27
Wednesday
Moderate rain
17.7°C/9.5°C
5/28
Thursday
Moderate rain
18.4°C/14.5°C
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