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Nagano Climate by Month

The graphs below provide an overview of the climate in Nagano (Nagano), Japan. They present long-term patterns and averages of weather conditions over a 30-year period.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Monthly precipitation

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

Monthly rainy days

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

Average humidity

The mean monthly relative humidity over the year

Forecast for Nagano

Fri   Nov 15
19°C | 11°C
NE 18 km/h
7 mm
partly cloudy and rain

partly cloudy and rain

hourly forecast
Sat   Nov 16
20°C | 10°C
SW 14 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
Sun   Nov 17
22°C | 11°C
N 14 km/h
11 mm
partly cloudy and rain

partly cloudy and rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Nagano 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 is the warmest month in Nagano?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Nagano?
    The coldest month is January with an average maximum temperature of 3°C.
  • Which is the wettest month in Nagano?
    July tops the wettest month list with 273 mm of rainfall.
  • Which is the driest month in Nagano?
    November is the driest month with 129 mm of precipitation.
  • Which is the sunniest month in Nagano?
    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.

     

     


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