Biak weather in October 2025

Expect 88°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Biak in October. Check more long-term weather averages for Biak in October before you book your next holiday to Indonesia in 2025/2026.

  • 88°F maximum daytime temperature in October in Biak88
    88°F max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in October in Biak17
    17 days with some rainfall
  • 73°F minimum night-time temperature in October in Biak73
    73°F min night temperature
  • 12 hours of daylight per day in October in Biak12
    12 hours of daylight per day
  • Very high heat & humidity in October in BiakVH
    Very High heat & humidity
  • 7.9 inches monthly rainfall in October in Biak7.9
    7.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in Biak11
    11+ (Extreme) UV index
  • 84°F sea temperature in October in Biak84
    84°F sea temperature

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The October 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)  |  Imperial (°F)

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More about Indonesia

How hot is it in Biak in October?

Daytime temperatures usually reach 88°F in Biak in October with very high heat and humidity, falling to 73°F at night.

How sunny is it in Biak in October?

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

How warm is the sea around Biak in October?

The average sea temperature around Biak in October is 84°F.

Does it rain in Biak in October?

There are usually 17 days with some rain in Biak in October and the average monthly rainfall is 7.9 inches.

Biak October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:42 17:49
Thursday, 16th October 2025 05:37 17:45
Friday, 31st October 2025 05:35 17:44

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