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Yakushima
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Yakushima Weather and Climate: A Comprehensive Guide

The temperature in Yakushima can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and mild during the cooler months. It is also known for its large amounts of rainfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average maximum day and minimum night temperature

Visitors to Yakushima can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a comfortable 29°C in August to a moderate 16°C in the coolest month, January.

Nights are cooler, with lows often dropping to around 12°C during the colder months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Yakushima is known for its substantial rainfall, with annual precipitation reaching 2467 mm. The climate in Yakushima shows significant variation throughout the year. Expect heavy rainfall in June, with an average of 474 mm of precipitation over 22 rainy days.

In contrast, December offers drier and sunnier days, with around 130 mm of rainfall over 21 rainy days. For more details, please visit our Yakushima Precipitation page.

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

The average number of days each month with precipitation

Sunshine over the year

For those who appreciate different seasons, Yakushima serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 7.7 hours of sunshine daily, and embrace the darker days in January, offering only 3.6 hours of daily sunlight. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine
Data from: Tanegashima, Japan (61 KM, 38 Miles).

Daily hours of sunshine
Data from: Tanegashima, Japan (61 KM, 38 Miles).

Average humidity

The relative humidity is high throughout the year in Yakushima.

The city experiences its highest humidity in June, reaching 84%. In January, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year
Data from: Tanegashima, Japan (61 KM, 38 Miles).

Forecast for Yakushima

Sat   Jan 11
7°C | 0°C
N 2 m/s
3.5 mm
overcast and chance of rain

overcast and chance of rain

hourly forecast
Sun   Jan 12
8°C | 1°C
W 7 m/s
6 mm
broken clouds and rain

broken clouds and rain

hourly forecast
Mon   Jan 13
10°C | 1°C
NW 4 m/s
1.9 mm
broken clouds and chance of rain

broken clouds and chance of rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of the year.

The best time of year to visit Yakushima in Japan

During the months of April, May, October and November 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 Yakushima?
    August has an average maximum temperature of 29°C and is the warmest month of the year.
  • Which is the coldest month in Yakushima?
    The coldest month is January with an average maximum temperature of 16°C.
  • Which is the wettest month in Yakushima?
    June tops the wettest month list with 474 mm of rainfall.
  • Which is the driest month in Yakushima?
    December is the driest month with 130 mm of precipitation.
  • Which is the sunniest month in Yakushima?
    August is the sunniest month with an average of 230 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.

     

     


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