Climate in Tomakomai (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 Tomakomai, 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 Tomakomai, Japan

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* Data from: Sapporo, Japan (47 KM, 29 Miles).

Monthly precipitation

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

Average monthly rainfall, snow, precipitation in Tomakomai, 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 Tomakomai, Japan

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Tomakomai, Japan

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* Data from: Sapporo, Japan (47 KM, 29 Miles).

Weather Forecasts for Tomakomai

Sat   Mar 30
9°C | 3°C
SW 29 km/h
6.5 mm
almost clear and  chance of rain

almost clear and chance of rain

Sun   Mar 31
9°C | 1°C
SW 22 km/h
clear and no rain

clear and no rain

Mon   Apr 01
9°C | -1°C
W 22 km/h
0.3 mm
partly cloudy and  chance of slight rain

partly cloudy and chance of slight rain

The best time of year to visit Tomakomai 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 Tomakomai?
    Most rainfall (rainy season) is seen in August and September.
  • When is winter in Tomakomai?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Tomakomai?
    August has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Tomakomai?
    The coldest month is January with an average maximum temperature of 0°C.
  • Which is the wettest month in Tomakomai?
    August tops the wettest month list with 197 mm of rainfall.
  • Which is the driest month in Tomakomai?
    January is the driest month with 54 mm of precipitation.
  • Which is the sunniest month in Tomakomai?
    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.