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Climate in Kusatsu (Gunma), 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 Kusatsu, 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 Kusatsu, Japan

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* Data from: Nagano, Japan (34 KM, 21 Miles).

Monthly precipitation

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

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

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Average humidity

The mean monthly relative humidity over the year

Average monthly relative humidity in Kusatsu, Japan

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* Data from: Nagano, Japan (34 KM, 21 Miles).

Weather Forecasts for Kusatsu

Thu   Apr 18
14°C | 4°C
SE 7 km/h
1.6 mm
overcast and  chance of rain

overcast and chance of rain

Fri   Apr 19
12°C | 3°C
NW 29 km/h
partly cloudy and no rain

partly cloudy and no rain

Sat   Apr 20
16°C | 4°C
NW 7 km/h
broken clouds and no rain

broken clouds and no rain

The best time of year to visit Kusatsu in Japan

During the months of 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 Kusatsu?
    Most rainfall (rainy season) is seen in June, July, August, September and October.
  • Which is the warmest month in Kusatsu?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Kusatsu?
    The coldest month is January with an average maximum temperature of 2°C.
  • Which is the wettest month in Kusatsu?
    July tops the wettest month list with 244 mm of rainfall.
  • Which is the driest month in Kusatsu?
    November is the driest month with 90 mm of precipitation.
  • Which is the sunniest month in Kusatsu?
    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.