Biak weather in August 2019

  • 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
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The August weather guide for Biak, Indonesia 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.

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Metric (°C / mm)  |  Imperial (°F / inches)

Guide to Biak weather in August

The average maximum daytime temperature in Biak in August is a hot 30°C (86°F) with high heat & humidity. The average night-time temperature is usually a warm 22°C (72°F). There are usually 5 hours of bright sunshine each day, which represents 42% of the 12 hours of daylight.

Expect 230mm (9.1 inches) of rainfall across the whole of August with 20 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Biak in August is 29°C (84°F).

Biak sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Biak in August 2019. Select a month to view Biak sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Thursday, 1st August 2019 06:00 18:04
Friday, 16th August 2019 05:58 18:02
Saturday, 31st August 2019 05:54 17:59
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Below are average maximum temperatures at popular destinations in Indonesia in August. Select a destination to see more weather parameters.

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