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Biak weather in August 2026
Expect daytime maximum temperatures of 30°C in Biak, Indonesia in August and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 20 days with some rainfall and typically 230 mm of rainfall in the month.
- 30°C max day temperature
30 - 5 hours of sunshine per day
- 20 days with some rainfall
20 - 22°C min night temperature
22 - 12 hours of daylight per day
12 - High heat & humidity
H - 230 mm of monthly rainfall
230 - 11+ (Extreme) UV index
11 - 29°C sea temperature
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Recommended for Indonesia
The August weather guide for Indonesia (Biak) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Indonesia
How hot is it in Biak in August?
Daytime temperatures usually reach 33°C in Biak in August with very high heat and humidity, falling to 22°C at night.
How sunny is it in Biak in August?
There are normally 9 hours of bright sunshine each day in Biak in August - that's 77% of daylight hours.
How warm is the sea around Biak in August?
The average sea temperature around Biak in August is 28°C.
Does it rain in Biak in August?
There are usually 8 days with some rain in Biak in August and the average monthly rainfall is 77mm.
Biak August sunrise & sunset times
Browse the sunrise and sunset times for Biak in August 2026. Select a month to view Biak sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 06:00 | 18:04 |
| Sunday, 16th August 2026 | 05:58 | 18:02 |
| Monday, 31st August 2026 | 05:54 | 17:59 |
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