Alotau weather in August 2025

Expect 28°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Alotau in August. Check more long-term weather averages for Alotau in August before you book your next holiday to Papua New Guinea in 2025/2026.

  • 28°C maximum daytime temperature in August in Alotau28
    28°C max day temperature
  • 6 hours of sunshine per day
  • 13 days with some rainfall in August in Alotau13
    13 days with some rainfall
  • 21°C minimum night-time temperature in August in Alotau21
    21°C min night temperature
  • 12 hours of daylight per day in August in Alotau12
    12 hours of daylight per day
  • Moderate heat & humidity in August in AlotauM
    Moderate heat & humidity
  • 184 mm monthly rainfall in August in Alotau184
    184 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in August in Alotau11
    11 (Extreme) UV index
  • 26°C sea temperature in August in Alotau26
    26°C sea temperature

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

Daytime temperatures usually reach 28°C in Alotau in August with moderate heat and humidity, falling to 21°C at night.

How sunny is it in Alotau in August?

There are normally 6 hours of bright sunshine each day in Alotau in August - that's 54% of daylight hours.

How warm is the sea around Alotau in August?

The average sea temperature around Alotau in August is 26°C.

Does it rain in Alotau in August?

There are usually 13 days with some rain in Alotau in August and the average monthly rainfall is 184mm.

Alotau August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:15 17:55
Saturday, 16th August 2025 06:09 17:56
Sunday, 31st August 2025 06:02 17:56

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