Climate in Suwa (Nagano), 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 Suwa, 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 Suwa, Japan

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* Data from: Kofu, Japan (59 KM, 37 Miles).

Monthly precipitation

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

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

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Suwa, Japan

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* Data from: Kofu, Japan (59 KM, 37 Miles).

Weather Forecasts for Suwa

Fri   Mar 29
19°C | 6°C
SW 22 km/h
31 mm
partly cloudy and thunder

partly cloudy and thunder

Sat   Mar 30
18°C | 7°C
SW 22 km/h
partly cloudy and no rain

partly cloudy and no rain

Sun   Mar 31
19°C | 9°C
SW 22 km/h
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Suwa in Japan

During the months of May, June 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 Suwa?
    Most rainfall (rainy season) is seen in June, July, September and October.
  • Which is the warmest month in Suwa?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Suwa?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Suwa?
    July tops the wettest month list with 196 mm of rainfall.
  • Which is the driest month in Suwa?
    December is the driest month with 82 mm of precipitation.
  • Which is the sunniest month in Suwa?
    January is the sunniest month with an average of 204 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.