ClimateForecastDecemberJanuary >>

Ishigaki Island Climate by Month

The temperature in Ishigaki Island varies moderately throughout the year. The temperatures shift from very warm to warm. It is also known for its large amounts of rainfall. Now, let’s break down all the climate details for a clearer picture.

Average day and night temperature

The weather in Ishigaki Island changes moderately throughout the year, offering enough variation to appreciate each season. Typically, daytime temperatures range from a very warm 30°C in July to a comfortable 22°C in the coolest month, January. Nights are cooler, with temperatures generally dropping to 19°C, particularly during the colder months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Ishigaki Island has a relatively rainy climate with high precipitation levels, averaging 2026 mm of rainfall annually. Ishigaki Island offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between August (242 mm) and March (135 mm) is not too significant, making the climate enjoyable for visitors and residents alike.

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

Sunshine over the year

For those who appreciate different seasons, Ishigaki Island serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 8.7 hours of sunshine daily, and embrace the darker days in January, offering only 2.8 hours of daily sunlight.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Ishigaki Island in Japan

During the months of January, February, March, April, November and December 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 is the warmest month in Ishigaki Island?
    July has an average maximum temperature of 30°C and is the warmest month of the year.
  • Which is the coldest month in Ishigaki Island?
    The coldest month is January with an average maximum temperature of 22°C.
  • Which is the wettest month in Ishigaki Island?
    August tops the wettest month list with 242 mm of rainfall.
  • Which is the driest month in Ishigaki Island?
    March is the driest month with 135 mm of precipitation.
  • Which is the sunniest month in Ishigaki Island?
    July is the sunniest month with an average of 262 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 Ishigaki Island

    Sat   Dec 14
    19°C | 16°C
    N 29 km/h
    overcast and no rain

    overcast and no rain

    Sun   Dec 15
    20°C | 16°C
    NE 22 km/h
    0.9 mm
    partly cloudy and  chance of slight rain

    partly cloudy and chance of slight rain

    Mon   Dec 16
    19°C | 16°C
    NE 22 km/h
    0.9 mm
    overcast and  chance of slight rain

    overcast and chance of slight rain