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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 34–52°F, 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 60–73°F, 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 42–67°F, 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–-35.1°F, 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. 48.6°F / Annual rainfall: approx. 1208 mm / Summer humidity: 70%–80% / Rainiest month: August

Lake Shikotsu monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
24.8°F
56
February
27°F
23.5
March
34.5°F
69.5
April
45.3°F
69
May
52.9°F
99
June
60.3°F
124.2
July
70.3°F
145.5
August
73.6°F
200.1
September
67.5°F
180.5
October
54.9°F
132.3
November
42.8°F
76.6
December
28.9°F
32.4

Lake Shikotsu weather for the next seven days

5/15
Friday
Sunny
60.7°F/43.6°F
5/16
Saturday
Sunny
65.5°F/46.8°F
5/17
Sunday
Partly Cloudy
61.1°F/46°F
5/18
Monday
Overcast
55.3°F/45.3°F
5/19
Tuesday
Patchy rain nearby
56.7°F/41.7°F
5/20
Wednesday
Sunny
58°F/39.4°F
5/21
Thursday
Patchy rain nearby
54°F/42.9°F