Climate in Otaru (Hokkaido), Japan

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Otaru, Japan

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Otaru, Japan

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* Data from: Sapporo, Japan (28 KM, 17 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Otaru, Japan

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Otaru, Japan

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Otaru, Japan

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* Data from: Sapporo, Japan (28 KM, 17 Miles).

Weather Forecasts for Otaru

Fri   Mar 29
11°C | 6°C
SE 11 km/h
19 mm
overcast and heavy rain

overcast and heavy rain

Sat   Mar 30
9°C | 4°C
W 18 km/h
3.6 mm
partly cloudy and rain

partly cloudy and rain

Sun   Mar 31
8°C | 3°C
W 18 km/h
clear and no rain

clear and no rain

The best time of year to visit Otaru in Japan

During the months of July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which months have the greatest rainfall in Otaru?
    Most rainfall (rainy season) is seen in August and September.
  • When is winter in Otaru?
    The coldest season / winter is in the following months: January, February, March and December.
  • Which is the warmest month in Otaru?
    August has an average maximum temperature of 24°C and is the warmest month of the year.
  • Which is the coldest month in Otaru?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Otaru?
    August tops the wettest month list with 180 mm of rainfall.
  • Which is the driest month in Otaru?
    April is the driest month with 77 mm of precipitation.
  • Which is the sunniest month in Otaru?
    May is the sunniest month with an average of 199 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.