Biak weather in August 2025

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Biak in August. Check more long-term weather averages for Biak in August before you book your next holiday to Indonesia in 2025/2026.

  • 30°C maximum daytime temperature in August in Biak30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 20 days with some rainfall in August in Biak20
    20 days with some rainfall
  • 22°C minimum night-time temperature in August in Biak22
    22°C min night temperature
  • 12 hours of daylight per day in August in Biak12
    12 hours of daylight per day
  • High heat & humidity in August in BiakH
    High heat & humidity
  • 230 mm monthly rainfall in August in Biak230
    230 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Biak11
    11+ (Extreme) UV index
  • 29°C sea temperature in August in Biak29
    29°C sea temperature

More about Biak

Biak by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Indonesia

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

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)

Back to top

More about Indonesia

How hot is it in Biak in August?

Daytime temperatures usually reach 30°C in Biak in August with high heat and humidity, falling to 22°C at night.

How sunny is it in Biak in August?

There are normally 5 hours of bright sunshine each day in Biak in August - that's 42% of daylight hours.

How warm is the sea around Biak in August?

The average sea temperature around Biak in August is 29°C.

Does it rain in Biak in August?

There are usually 20 days with some rain in Biak in August and the average monthly rainfall is 230mm.

Biak August sunrise & sunset times

Browse the sunrise and sunset times for Biak in August 2025. Select a month to view Biak sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:00 18:04
Saturday, 16th August 2025 05:58 18:02
Sunday, 31st August 2025 05:53 17:59

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^