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Bunaken Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bunaken.
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Climate overview of Bunaken
Bunaken, North Sulawesi, Indonesia, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in September at 30°C (86°F) and dipping in January to 29°C (84°F).
With around 2537 mm (100 in) of annual rainfall, Bunaken has a notably wet climate. The wettest month is January. Sunshine peaks in August, when the city sees around 7.0 hours of sunshine per day.
Bunaken Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bunaken - and find the best time to visit.
Monthly Temperature in Bunaken
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
Rainfall in Bunaken
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
Sunshine Hours in Bunaken
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
Data from: Menado, Indonesia (16 KM, 10 Miles).
Daily hours of sunshine
Data from: Menado, Indonesia (16 KM, 10 Miles).
Water Temperature in Bunaken
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
Data from: Menado, Indonesia (16 KM, 10 Miles).
Humidity in Bunaken by Month
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
Data from: Menado, Indonesia (16 KM, 10 Miles).
Best Time to Visit Bunaken
Compared with the rest of the year, the most comfortable conditions in Bunaken are usually found in March, July, August and September. Conditions are generally least comfortable in January, February, 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
very wet
Feb
very wet
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: March, July, August and September
- Warmest weather: all year round
- Most sunshine: August
- Fewest rainy days: July, August, September and October
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
Frequently asked questions about the climate in Bunaken
What is the best time to visit Bunaken?
March, July, August and September typically offer the most optimal weather in Bunaken. In contrast, January, February, April, May, June, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Bunaken?
Daytime highs range from 29°C (84°F) in January to 30°C (86°F) in September. Nighttime lows range from 25°C (77°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Bunaken get?
Annual rainfall is around 2537 mm (100 in). January is the wettest month with 282 mm (11 in), while August is the driest with 113 mm (4.4 in).
How sunny is Bunaken?
Bunaken receives around 1,870 hours of sunshine per year. August is the sunniest month with 211 hours, while February is the cloudiest with just 120 hours.
Bunaken 3-Day Forecast
Bunaken on the map
Bunaken is highlighted - select any city to see its climate.
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