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Otaru

Otaru 1
Travel Info
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Travel Info

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Otaru Weather and climate

Data source:Meteostat
Update date:2025-09

Otaru year round climate
  • Spring (March–May): 2.5–13.2°C on average, the climate is cool, but there is more sunshine, with occasional showers. March is still chilly, April begins to warm up, and May is relatively mild. Common activities: flower viewing, walking along the canal. Recommended clothing: warm jacket, sweater, long pants.
  • Summer (June–August): 17.5–24.3°C on average, the climate is warm and humid, with occasional showers or thunderstorms. July and August are the hottest months, suitable for seaside activities. Common activities: seaside recreation, Otaru Canal boat tour, enjoying seafood. Recommended clothing: light and breathable clothing, short sleeves, light jacket.
  • Autumn (September–November): 6.0–19.8°C on average, the climate is comfortable and pleasant, but October has more rainfall. September has a mild climate, and November begins to cool down. Common activities: maple viewing, enjoying Japanese sake, visiting glass factories. Recommended clothing: light jacket, long-sleeved shirt, comfortable long pants.
  • Winter (December–February): -3.0–-1.7°C on average, the climate is cold and dry, with less snowfall, but occasional snowfalls. The temperature is low, and the wind is also stronger. Common activities: skiing (nearby areas), experiencing snow scenes, soaking in hot springs (nearby areas). Recommended clothing: thick warm jacket, hat, gloves, scarf.
Otaru climatological average

Annual average temperature: approx. 10°C / Annual rainfall: approx. 1402 mm / Summer humidity: 70%–80% / Rainiest month: October

Otaru monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-3°C
155.5
February
-2.2°C
117.6
March
2.5°C
59.9
April
8.6°C
52.1
May
13.2°C
67.6
June
17.5°C
83
July
22.4°C
124.4
August
24.3°C
140
September
19.8°C
120.8
October
12.8°C
178.9
November
6°C
178
December
-1.7°C
124.7
Otaru weather for the next seven days
10/26
Sunday
Moderate rain
14.4°C/5.4°C
10/27
Monday
Moderate rain
11.9°C/5.5°C
10/28
Tuesday
Moderate rain
6.9°C/3.9°C
10/29
Wednesday
Moderate rain
8.3°C/2.7°C
10/30
Thursday
Sunny
9.7°C/2.2°C
10/31
Friday
Patchy rain nearby
12.6°C/6.7°C
11/1
Saturday
Patchy rain nearby
12°C/8.2°C