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Otaru

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Otaru Weather and climate

Data source:Meteostat
Update date:2025-09

Otaru year round climate
  • Spring (March–May): 36–55°F 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): 63–75°F 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): 42–67°F 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–-35.1°F 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. 50.0°F / Annual rainfall: approx. 1402 mm / Summer humidity: 70%–80% / Rainiest month: October

Otaru monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
26.6°F
155.5
February
28°F
117.6
March
36.5°F
59.9
April
47.5°F
52.1
May
55.8°F
67.6
June
63.5°F
83
July
72.3°F
124.4
August
75.7°F
140
September
67.6°F
120.8
October
55°F
178.9
November
42.8°F
178
December
28.9°F
124.7
Otaru weather for the next seven days
11/8
Saturday
Patchy rain nearby
39.5°F/32.8°F
11/9
Sunday
Moderate rain
47.5°F/32°F
11/10
Monday
Moderate rain
43.8°F/38.1°F
11/11
Tuesday
Moderate rain
41°F/36.4°F
11/12
Wednesday
Patchy rain nearby
43.8°F/33.1°F
11/13
Thursday
Patchy rain nearby
48.8°F/38.4°F
11/14
Friday
Sunny
46.8°F/36°F