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Minamiaizu Climate by Month

The climate in Minamiaizu is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It also has a relatively rain/snowy climate with high levels of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

In Minamiaizu, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C in August to a very cold 1°C in January. Nighttime temperatures can drop, with averages reaching -7°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Minamiaizu experiences significant rain/snowfall throughout the year, averaging 2106 mm of precipitation annually. The seasons in Minamiaizu, bring significant changes in precipitation. The wettest month, July, receives heavy rainfall, with an average of 280 mm of precipitation. This rainfall is distributed across 23 rainy days.

In contrast, the driest month, November, experiences much less rainfall, totaling 114 mm over 18 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

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

Sunshine over the year

In Minamiaizu, summer days are longer and more sunny, with daily sunshine hours peaking at 6.5 hours in March. As the darker season arrives, the brightness of the sun becomes less. September sees a soft sun for only 3.3 hours per average day.

Monthly hours of sunshine

Data from: Nikko, Japan (40 KM, 25 Miles).

Daily hours of sunshine

Data from: Nikko, Japan (40 KM, 25 Miles).

The best time of year to visit Minamiaizu in Japan

During the months of June, July 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 Minamiaizu?
    Rainy season in Minamiaizu occurs in the months of May, June, July, August, September and October.
  • Which is the warmest month in Minamiaizu?
    August has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Minamiaizu?
    The coldest month is January with an average maximum temperature of 1°C.
  • Which is the wettest month in Minamiaizu?
    July tops the wettest month list with 280 mm of rainfall.
  • Which is the driest month in Minamiaizu?
    November is the driest month with 114 mm of precipitation.
  • Which is the sunniest month in Minamiaizu?
    March is the sunniest month with an average of 195 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 Minamiaizu

    Mon   Dec 16
    1°C | -2°C
    NW 11 km/h
    8.8 mm
    overcast and snow

    overcast and snow

    Tue   Dec 17
    3°C | -7°C
    W 11 km/h
    1.9 mm
    broken clouds and  chance of sleet

    broken clouds and chance of sleet

    Wed   Dec 18
    -1°C | -9°C
    N 14 km/h
    2.7 mm
    overcast and snow

    overcast and snow