Rabaul weather in August 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Rabaul in August. Check more long-term weather averages for Rabaul in August before you book your next holiday to Papua New Guinea in 2025/2026.

  • 30°C maximum daytime temperature in August in Rabaul30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 19 days with some rainfall in August in Rabaul19
    19 days with some rainfall
  • 23°C minimum night-time temperature in August in Rabaul23
    23°C min night temperature
  • 12 hours of daylight per day in August in Rabaul12
    12 hours of daylight per day
  • High heat & humidity in August in RabaulH
    High heat & humidity
  • 156 mm monthly rainfall in August in Rabaul156
    156 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in August in Rabaul11
    11+ (Extreme) UV index
  • 28°C sea temperature in August in Rabaul28
    28°C sea temperature

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The August weather guide for Papua New Guinea (Rabaul) 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 Rabaul in August?

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

How sunny is it in Rabaul in August?

There are normally 6 hours of bright sunshine each day in Rabaul in August - that's 53% of daylight hours.

How warm is the sea around Rabaul in August?

The average sea temperature around Rabaul in August is 28°C.

Does it rain in Rabaul in August?

There are usually 19 days with some rain in Rabaul in August and the average monthly rainfall is 156mm.

Rabaul August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:00 17:56
Saturday, 16th August 2025 05:56 17:55
Sunday, 31st August 2025 05:51 17:52

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