Bunaken Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Bunaken experiences a constant climate year-round. Average daytime temperatures reach a very warm 30°C (86°F) in September. In January, the coolest month of the year, temperatures drop to a comfortable 29°C (84°F).

At night, temperatures range from around 26°C (79°F) in September to 25°C (77°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Bunaken has a notably wet climate with abundant precipitation, recording 2537 mm (100 in) of rainfall per year. Bunaken can be quite wet during January, receiving approximately 282 mm (11 in) of precipitation over 22 rainy days.

In contrast, during the driest month (August), you will experience much drier conditions, with 113 mm (4.4 in) of precipitation spread across 11 rainy days. For more details, please visit our Bunaken Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Bunaken can be enjoyed more throughout the sunniest month of August under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 4.0 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The mean water temperature over the year ranges from 28°C (82°F) in January to 29°C (84°F) in April.

Water temperature over the year

The relative humidity is high throughout the year in Bunaken.

The city experiences its highest humidity in January, reaching 84%. In August, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year