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Itoigawa Climate by Month

The graphs below provide an overview of the climate in Itoigawa (Niigata Prefecture), 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 precipitation

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

Forecast for Itoigawa

Wed   Nov 20
14°C | 6°C
SE 7 km/h
broken clouds and no rain

broken clouds and no rain

Thu   Nov 21
18°C | 11°C
SW 18 km/h
almost clear and no rain

almost clear and no rain

Fri   Nov 22
18°C | 11°C
W 25 km/h
22 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit Itoigawa 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.

The average rainfall figures in Itoigawa are quite high. Throughout the year, you have a chance of prolonged precipitation. So no matter what time of year you go, you will always have to deal with a high number of rainy days. This makes it more challenging to point out the best time of year to visit. If we needed to pick one month we would choose August which is the sunniest month of the year.

Other facts from our historical weather data:

  • Which is the warmest month in Itoigawa?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Itoigawa?
    The coldest month is February with an average maximum temperature of 4°C.
  • Which is the wettest month in Itoigawa?
    January tops the wettest month list with 309 mm of rainfall.
  • Which is the driest month in Itoigawa?
    May is the driest month with 147 mm of precipitation.
  • Which is the sunniest month in Itoigawa?
    August is the sunniest month with an average of 198 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.