Average Monthly Sunshine in Hachijojima

The graphs on this page shows the average number of hours per month and per day that Hachijojima receives direct sunlight. The numbers are calculated over a 30-year period to provide a reliable average.

Monthly hours of sunshine

If you're visiting Hachijojima, timing is key. In August, you can enjoy up to 187 hours of sunshine, while the shorter days of January provide just 87 hours. The total annual amount of sun is 1474 hours.

Daily hours of sunshine

In Hachijojima, summer days are longer and more sunny, with daily sunshine hours peaking at 6.2 hours in August. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 2.9 hours per day.

Hachijojima’s total hours of sunshine compared to other major cities

Hachijojima enjoys an average of 1474 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

Athens, Greece, enjoys 2769 hours of sunshine each year, making it one of the sunniest destinations in the Mediterranean region.

In contrast, Juneau, Alaska, receives only about 1523 hours of sunshine per year and is known for its very short days in winter and frequently overcast conditions.

In Shanghai, China, the annual average sunshine is 1780 hours, with cloudier weather in summer.

In Brisbane, Australia, the annual sunshine averages 2999 hours, making it one of Australia’s sunniest cities.

Other climate information

June, Hachijojima’s wettest month, receives 116 mm of rainfall and has a maximum daytime temperature of 25°C. During the driest month August you can expect a temperature of 29°C.

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