Rebun Island Sunshine Hours by Month

When exploring climate, sunlight hours tell an important story. This page shows the total number of hours of direct sunlight per month and the average hours per day in Rebun Island, Hokkaido, Japan. These averages rely on historical data collected over 30 years, from 1990 to 2020.

Monthly hours of sunshine

If you're visiting Rebun Island, timing is key. In May, you can enjoy up to 186 hours of sunshine, while the shorter days of December provide just 37 hours. The total annual amount of sun is 1507 hours.

Daily hours of sunshine

Seasonal changes in sunshine hours are quite obvious in Rebun Island. While May receives considerable daily sunshine with up to 6.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.2 hours of sunlight per day.

Rebun Island enjoys an average of 1507 hours of sunshine annually. Let’s compare this with some popular tourist destinations:

In Barcelona, Spain, there are 2530 hours of sunshine annually and is a city that can be visited year-round.

In contrast, London, UK, receives only about 1659 hours of sunshine per year, known for its frequently overcast and rainy skies.

In Seoul, South Korea, there are approximately 2133 hours of sunshine per year, mostly during spring and autumn.

Perth, Australia, enjoys 3180 hours of sunshine annually, the highest among major Australian cities.

December, Rebun Island’s wettest month, receives 113 mm (4.4 in) of snow/rainfall and has a maximum daytime temperature of 2°C (36°F). During the driest month April you can expect a temperature of 7°C (45°F).

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