Biak weather in July 2025

Expect 30°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Biak in July based on long-term weather averages. There is usually 20 days with some rainfall and 241 mm of average monthly rainfall in July.

  • 30°C maximum daytime temperature in July in Biak30
    30°C max day temperature
  • 5 hours of sunshine per day
  • 20 days with some rainfall in July in Biak20
    20 days with some rainfall
  • 23°C minimum night-time temperature in July in Biak23
    23°C min night temperature
  • 12 hours of daylight per day in July in Biak12
    12 hours of daylight per day
  • High heat & humidity in July in BiakH
    High heat & humidity
  • 241 mm monthly rainfall in July in Biak241
    241 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in July in Biak11
    11 (Extreme) UV index
  • 29°C sea temperature in July in Biak29
    29°C sea temperature

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The July 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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How hot is it in Biak in July?

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

How sunny is it in Biak in July?

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

How warm is the sea around Biak in July?

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

Does it rain in Biak in July?

There are usually 20 days with some rain in Biak in July and the average monthly rainfall is 241mm.

Biak July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:58 18:01
Wednesday, 16th July 2025 06:00 18:04
Thursday, 31st July 2025 06:00 18:04

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