Yakushima Sunshine Hours by Month

Sunshine is key to understanding how a place experiences its seasons. This page shows the total number of hours of direct sunlight per month and the average hours per day in Yakushima, Kagoshima, Japan. Long-term data from 1990 to 2020 was used to calculate these averages.

Monthly hours of sunshine

Seasonal sunshine in Yakushima varies. It peaks at 230 hours in August and drops to 109 hours in January. The total annual amount of sun is 1842 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Yakushima. While August receives considerable daily sunshine with up to 7.7 hours, January marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.

Yakushima enjoys an average of 1842 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

The city of Rome, Italy, experiences 2470 hours of sunshine annually, adding to its charm as a year-round tourist destination.

Manchester, UK, experiences just around 1420 hours of sunshine annually.

Oslo, Norway, receives approximately 1690 hours of sunshine annually.

In Tokyo, Japan, the average annual sunshine is 1930 hours, with sunny periods between rainy seasons.

June, Yakushima’s wettest month, receives 164 mm (6.5 in) of rainfall and has a maximum daytime temperature of 26°C (79°F). During the driest month December you can expect a temperature of 18°C (64°F).

For more detailed insights into the city’s temperatures, check out our Temperature page. To explore more about precipitation patterns, visit our Yakushima Precipitation page.