Mangaia weather in August 2025

Expect 25°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Mangaia in August. Check more long-term weather averages for Mangaia in August before you book your next holiday to Cook Islands in 2025/2026.

  • 25°C maximum daytime temperature in August in Mangaia25
    25°C max day temperature
  • 3 days with some rainfall in August in Mangaia3
    3 days with some rainfall
  • 19°C minimum night-time temperature in August in Mangaia19
    19°C min night temperature
  • 11 hours of daylight per day in August in Mangaia11
    11 hours of daylight per day
  • Low heat & humidity in August in MangaiaL
    Low heat & humidity
  • 124 mm monthly rainfall in August in Mangaia124
    124 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Mangaia8
    8 (Very High) UV index
  • 24°C sea temperature in August in Mangaia24
    24°C sea temperature

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The August weather guide for Cook Islands (Mangaia) 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 Mangaia in August?

Daytime temperatures usually reach 25°C in Mangaia in August with low heat and humidity, falling to 19°C at night.

How warm is the sea around Mangaia in August?

The average sea temperature around Mangaia in August is 24°C.

Does it ever rain in Mangaia in August?

There are usually 3 days with some rain in Mangaia in August and the average monthly rainfall is 124mm.

Mangaia August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:04 18:12
Saturday, 16th August 2025 06:54 18:17
Sunday, 31st August 2025 06:42 18:22

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