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Lake Shikotsu

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Lake Shikotsu Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Lake Shikotsu year round climate

  • Spring (March–May): Average 1.4–11.6°C, with fluctuating temperatures and increasing rainfall. March may still see snowfall, April gradually warms up, and May offers pleasant temperatures. Common activities: Lake views, hiking. Recommended clothing: Warm jacket, sweater, waterproof jacket.
  • Summer (June–August): Average 15.7–23.1°C, pleasant temperatures with higher rainfall, especially in August. Long sunshine hours are ideal for outdoor activities. Common activities: Boating, camping, mountain climbing, enjoying lakeside scenery. Recommended clothing: Light and breathable clothing, rain gear.
  • Autumn (September–November): Average 6.0–19.7°C, gradually decreasing temperatures and reduced rainfall, with crisp autumn weather. Maple leaf season offers beautiful scenery. Common activities: Maple leaf viewing, hiking, photography. Recommended clothing: Comfortable warm clothing, light jacket.
  • Winter (December–February): Average -4.0–-1.7°C, cold temperatures with less snowfall. The lake freezes over, presenting a unique winter landscape. Common activities: Ice activities (depending on ice conditions), enjoying snowy scenery. Recommended clothing: Warm down jacket, thick sweater, hat, gloves, scarf.

Lake Shikotsu climatological average

Annual average temperature: approx. 9.2°C / Annual rainfall: approx. 1208 mm / Summer humidity: 70%–80% / Rainiest month: August

Lake Shikotsu monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
-4°C
56
February
-2.8°C
23.5
March
1.4°C
69.5
April
7.4°C
69
May
11.6°C
99
June
15.7°C
124.2
July
21.3°C
145.5
August
23.1°C
200.1
September
19.7°C
180.5
October
12.7°C
132.3
November
6°C
76.6
December
-1.7°C
32.4

Lake Shikotsu weather for the next seven days

12/29
Monday
Moderate rain
4.5°C/-3.2°C
12/30
Tuesday
Moderate or heavy snow showers
3°C/-2.3°C
12/31
Wednesday
Light freezing rain
-2.9°C/-6.3°C
1/1
Thursday
Light freezing rain
-4.9°C/-8°C
1/2
Friday
Partly Cloudy
-4.3°C/-8°C
1/3
Saturday
Light freezing rain
-0.7°C/-7.7°C
1/4
Sunday
Heavy snow
0.3°C/-4.7°C