Biak Weather & Climate: Best Time to Visit
Biak, in Papua, Indonesia, maintains fairly consistent temperatures throughout the year with little variation. The area has a notably wet climate with heavy precipitation year-round, with some months receiving more rain than others. People come to Biak to enjoy some of Indonesia's most pristine beaches and coral reefs. The island is also known for its excellent diving opportunities and traditional Papuan culture. Let's explore the climate details to provide you with a complete overview on when to visit.
Monthly Temperature in Biak
The climate in Biak remains fairly constant, offering comfortable temperatures throughout the year. Average maximum daytime temperatures range from a comfortable 30°C (86°F) in May, the warmest time of the year, to a comfortable 29°C (84°F) during cooler months like July.
At night, you can expect temperatures ranging from 26°C (79°F) in May to around 26°C (79°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Biak
Biak is known for its substantial rainfall, with annual precipitation reaching 2814 mm (111 in). Year-round, Biak has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 285 mm (11 in), and the driest month, October, with 195 mm (7.7 in), is minimal. For more details, please visit our Biak Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Biak
While the amount of sunshine in Biak varies throughout the year, all seasons offer their own charm. Enjoy up to 4.0 hours of daily sun in August, and experience slightly darker atmosphere in March, with about 2.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Biak 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Biak
The weather in Biak is characterized by year-round heavy rainfall, with no month offering relief from the wet conditions. All months exceed 160 mm (6.3 in) of precipitation, creating a consistently humid environment. If forced to choose, October offers the lowest rainfall at 195 mm (7.7 in).Embrace the wet climate by bringing proper rain gear and plan activities that are indoor. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.