Rebun Island Weather & Climate: Best Time to Visit
Rebun Island, located off the coast of Hokkaido in Japan, is known for its alpine flowers, coastal hikes, and untouched landscapes. The weather shifts significantly over the seasons. Summers are generally pleasant, while winters can be very cold with frequent snowfall and rain. The island’s green environment is shaped by its high precipitation levels. Let’s take a closer look at the climate to help you plan your visit.
Monthly Temperature in Rebun Island
Visitors to Rebun Island can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a pleasant 22°C (72°F) in August, the warmest time of the year, to a very cold 0°C (32°F) during cooler months like January.
At night, you can expect temperatures ranging from 19°C (66°F) in August to around -4°C (25°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rebun Island
Rebun Island is known for its substantial rain/snowfall, with annual precipitation reaching 1221 mm (48 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, December it receives high snow/rainfall, averaging 135 mm (5.3 in) of precipitation, recorded across 25 snowy/rainy days. In contrast, the driest month April brings less rainfall, with 61 mm (2.4 in) over 16 rainy days. For more details, please visit our Rebun Island Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Rebun Island
Seasonal changes in sunshine hours are quite dramatic 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.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Rebun Island 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Rebun Island
During July, August and September, Rebun Island experiences its most favorable weather, with temperatures between 19°C (66°F) and 22°C (71°F). These mild conditions make it an excellent time for a visit.The weather does bring rainfall during this period, between 103 mm (4.1 in) and 129 mm (5.1 in). Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
