Mitiaro weather in August 2025

Expect 27°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Mitiaro in August. Check more long-term weather averages for Mitiaro in August before you book your next holiday to Cook Islands in 2025/2026.

  • 27°C maximum daytime temperature in August in Mitiaro27
    27°C max day temperature
  • 3 days with some rainfall in August in Mitiaro3
    3 days with some rainfall
  • 20°C minimum night-time temperature in August in Mitiaro20
    20°C min night temperature
  • 11 hours of daylight per day in August in Mitiaro11
    11 hours of daylight per day
  • Low heat & humidity in August in MitiaroL
    Low heat & humidity
  • 96 mm monthly rainfall in August in Mitiaro96
    96 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Mitiaro8
    8 (Very High) UV index
  • 25°C sea temperature in August in Mitiaro25
    25°C sea temperature

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

Daytime temperatures usually reach 27°C in Mitiaro in August with low heat and humidity, falling to 20°C at night.

How warm is the sea around Mitiaro in August?

The average sea temperature around Mitiaro in August is 25°C.

Does it ever rain in Mitiaro in August?

There are usually 3 days with some rain in Mitiaro in August and the average monthly rainfall is 96mm.

Mitiaro August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:00 18:14
Saturday, 16th August 2025 06:51 18:19
Sunday, 31st August 2025 06:40 18:23

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