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Biak Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Biak.
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Climate overview of Biak
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.
Biak Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Biak - and find the best time 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 March.
At night, you can expect temperatures ranging from 26°C (79°F) in May to around 26°C (79°F) during March.
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
The average number of days each month with precipitation
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
Best Time to Visit Biak
For the most comfortable conditions available during the year, consider visiting Biak in January, February, March, July, August and September. Conditions are usually least comfortable in April, May, June, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
mixed
Feb
mixed
Mar
mixed
Apr
very wet
May
very wet
Jun
very wet
Jul
mixed
Aug
mixed
Sep
mixed
Oct
wet
Nov
very wet
Dec
very wet
- Best overall: January, February, March, July, August and September
- Warmest weather: all year round
- Most sunshine: May, August, September and October
Frequently asked questions about the climate in Biak
What is the best time to visit Biak?
January, February, March, July, August and September typically offer the most optimal weather in Biak. In contrast, April, May, June, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Biak?
Daytime highs range from 29°C (84°F) in March to 30°C (86°F) in May. Nighttime lows range from 26°C (79°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Biak get?
Annual rainfall is around 2814 mm (111 in). June is the wettest month with 285 mm (11 in), while October is the driest with 195 mm (7.7 in).
How sunny is Biak?
Biak receives around 1,262 hours of sunshine per year. August is the sunniest month with 121 hours, while March is the cloudiest with just 84 hours.
Biak 3-Day Forecast
Biak on the map
Biak is highlighted - select any city to see its climate.
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