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Karuizawa
Weather averages
ClimateForecastAprilMay >>

Climate in Karuizawa (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.

Monthly hours of sunshine

The average monthly total hours of sunshine over the year
* Data from: Nagano, Japan (52 KM, 32 Miles).

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
* Data from: Nagano, Japan (52 KM, 32 Miles).

Weather Forecasts for Karuizawa

Wed   Apr 24
10°C | 7°C
E 14 km/h
18 mm
overcast and heavy rain

overcast and heavy rain

hourly forecast
Thu   Apr 25
21°C | 8°C
W 7 km/h
almost clear and no rain

almost clear and no rain

hourly forecast
Fri   Apr 26
21°C | 7°C
E 14 km/h
broken clouds and no rain

broken clouds and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

The best time of year to visit Karuizawa 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:

  • When is the rainy season in Karuizawa?
    Rainy season in Karuizawa occurs in the months of May, June, July, August, September and October.
  • Which is the warmest month in Karuizawa?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Karuizawa?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Karuizawa?
    July tops the wettest month list with 255 mm of rainfall.
  • Which is the driest month in Karuizawa?
    December is the driest month with 63 mm of precipitation.
  • Which is the sunniest month in Karuizawa?
    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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