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
Lake Notoro-ko Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Lake Notoro-ko year round climate
Spring (March–May): Average 32–52°F, cold climate gradually becoming mild, moderate rainfall. Common activities: Hiking (be sure to dress warmly), enjoying the lakeside scenery. Recommended clothing: Warm jacket, sweater, waterproof jacket.
Summer (June–August): Average 58–71°F, warm and humid climate, August has the most rainfall. Common activities: Boating, picnicking by the lake, hiking. Recommended clothing: Light and breathable clothing, rain gear.
Autumn (September–November): Average 53–65°F, cool and comfortable climate, rainfall gradually decreasing. Common activities: Viewing autumn leaves (depending on the tree species), hiking. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average -5.3–-36.7°F, cold climate, higher chance of snowfall, less rainfall. Common activities: Skiing (check snow conditions), enjoying the winter lake view. Recommended clothing: Heavy coat, warm clothing, hat, gloves, scarf.
Lake Notoro-ko climatological average
Annual average temperature: approx. 46.8°F / Annual rainfall: approx. 851 mm / Summer humidity: 65%–75% / Rainiest month: August
Lake Notoro-ko monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
22.5°F
69
February
22.6°F
44
March
32.9°F
31
April
45°F
45.7
May
52.3°F
56.7
June
58.6°F
83.3
July
67.6°F
88.7
August
71.1°F
145
September
65.5°F
106.3
October
53.6°F
96
November
41.5°F
51
December
27.3°F
34.7
Lake Notoro-ko weather for the next seven days
5/6
Wednesday
Sunny
68.4°F/45.8°F
5/7
Thursday
Partly Cloudy
67°F/45.5°F
5/8
Friday
Patchy rain nearby
47.6°F/42.5°F
5/9
Saturday
Moderate rain
47.5°F/34.6°F
5/10
Sunday
Patchy rain nearby
58.1°F/35.7°F
5/11
Monday
Partly Cloudy
71.9°F/43.6°F
5/12
Tuesday
Sunny
69.5°F/49.8°F
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