Our tour guide, Lucy, was very enthusiastic on the bus, introducing Hokkaido's history and recommending things to buy. The weather was great that day, and all the attractions were beautiful. It was my first time seeing a fireworks display, and although the Lake Toya fireworks festival wasn't grand, it was still a good experience for a first-timer.
Anonymous User
Solo traveler
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
7/11
Saturday
Light rain shower
22.7°C/18.4°C
7/12
Sunday
Fog
22.7°C/18.1°C
7/13
Monday
Fog
23.6°C/17.6°C
7/14
Tuesday
Fog
22.4°C/17.2°C
7/15
Wednesday
Fog
20.5°C/18.1°C
7/16
Thursday
Cloudy
20°C/17.8°C
7/17
Friday
Fog
25.5°C/18.6°C
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