Biak weather in April 2025

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

  • 30°C maximum daytime temperature in April in Biak30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 19 days with some rainfall in April in Biak19
    19 days with some rainfall
  • 23°C minimum night-time temperature in April in Biak23
    23°C min night temperature
  • 12 hours of daylight per day in April in Biak12
    12 hours of daylight per day
  • Very high heat & humidity in April in BiakVH
    Very High heat & humidity
  • 215 mm monthly rainfall in April in Biak215
    215 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in Biak11
    11+ (Extreme) UV index
  • 29°C sea temperature in April in Biak29
    29°C sea temperature

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The April 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)

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More about Indonesia

How hot is it in Biak in April?

Daytime temperatures usually reach 30°C in Biak in April with very high heat and humidity, falling to 23°C at night.

How sunny is it in Biak in April?

There are normally 5 hours of bright sunshine each day in Biak in April - that's 41% of daylight hours.

How warm is the sea around Biak in April?

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

Does it rain in Biak in April?

There are usually 19 days with some rain in Biak in April and the average monthly rainfall is 215mm.

Biak April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 05:57 18:02
Tuesday, 15th April 2025 05:53 17:58
Wednesday, 30th April 2025 05:51 17:55

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