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Otaru

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Best time to visit Otaru

Data source:Meteostat
Last updated:2025-09

Weather in Otaru throughout the year

  • 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.

Weather in Otaru

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

Otaru weather by month

Month
Temperature (°C)
Rainfall (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

7-day weather forecast for Otaru

11/10
Tuesday
Moderate or heavy snow showers
0.4°C/-2.2°C
11/11
Wednesday
Sunny
3.6°C/-2.9°C
11/12
Thursday
Cloudy
10.3°C/3.3°C
11/13
Friday
Patchy rain nearby
11.1°C/4.9°C
11/14
Saturday
Sunny
10.5°C/4.2°C
11/15
Sunday
Overcast
8°C/5.6°C
11/16
Monday
Blizzard
6.4°C/1.9°C