ClimateForecastDecemberJanuary >>

Niseko Climate by Month

The temperature in Niseko can vary greatly throughout the year. The temperatures shift from warm to very cold. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

Depending on the time of the year, temperatures range from comfortable to very cold in Niseko. Average daytime temperatures range from a comfortable 25°C in August, the warmest time of the year, to a very cold -2°C during cooler months like January. At night, temperatures typically average around -9°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Niseko has a relatively rain/snowy climate with high precipitation levels, averaging 1322 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, August receives heavy rainfall, averaging 181 mm of precipitation, recorded across 18 rainy days. In contrast, the drier season, April brings less rainfall, with 81 mm over 18 rainy days.

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

Sunshine over the year

Seasonal changes in sunshine hours are quite dramatic in Niseko. While May receives considerable daily sunshine with up to 6.6 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.9 hours of sunlight per day.

Monthly hours of sunshine

Data from: Sapporo, Japan (60 KM, 37 Miles).

Daily hours of sunshine

Data from: Sapporo, Japan (60 KM, 37 Miles).

The best time of year to visit Niseko in Japan

During the months of July, August 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 Niseko?
    Most rainfall (rainy season) is seen in August and September.
  • When is winter in Niseko?
    The coldest season / winter is in the following months: January, February and December.
  • Which is the warmest month in Niseko?
    August has an average maximum temperature of 25°C and is the warmest month of the year.
  • Which is the coldest month in Niseko?
    The coldest month is January with an average maximum temperature of -2°C.
  • Which is the wettest month in Niseko?
    August tops the wettest month list with 181 mm of rainfall.
  • Which is the driest month in Niseko?
    April is the driest month with 81 mm of precipitation.
  • Which is the sunniest month in Niseko?
    May is the sunniest month with an average of 199 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.

    Forecast for Niseko

    Sat   Dec 14
    -5°C | -9°C
    NW 14 km/h
    6.3 mm
    overcast and  chance of snow

    overcast and chance of snow

    Sun   Dec 15
    -3°C | -9°C
    W 11 km/h
    20 mm
    overcast and heavy snow

    overcast and heavy snow

    Mon   Dec 16
    -5°C | -9°C
    W 14 km/h
    12 mm
    broken clouds and snow

    broken clouds and snow