Climate in Saku (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 Saku, 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 Saku, Japan

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* Data from: Nagano, Japan (54 KM, 33 Miles).

Monthly precipitation

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

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

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Saku, Japan

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* Data from: Nagano, Japan (54 KM, 33 Miles).

Weather Forecasts for Saku

Sun   Feb 25
2°C | -4°C
E 14 km/h
16 mm
overcast and heavy snow

overcast and heavy snow

Mon   Feb 26
4°C | -3°C
NW 25 km/h
partly cloudy and no rain

partly cloudy and no rain

Tue   Feb 27
2°C | -5°C
NW 29 km/h
2.4 mm
broken clouds and snow

broken clouds and snow

The best time of year to visit Saku 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 Saku?
    Most rainfall (rainy season) is seen in June, July, August, September and October.
  • Which is the warmest month in Saku?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Saku?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Saku?
    July tops the wettest month list with 215 mm of rainfall.
  • Which is the driest month in Saku?
    December is the driest month with 57 mm of precipitation.
  • Which is the sunniest month in Saku?
    May is the sunniest month with an average of 209 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.