Avarua weather in August 2025

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

  • 25°C maximum daytime temperature in August in Avarua25
    25°C max day temperature
  • 3 days with some rainfall in August in Avarua3
    3 days with some rainfall
  • 19°C minimum night-time temperature in August in Avarua19
    19°C min night temperature
  • 11 hours of daylight per day in August in Avarua11
    11 hours of daylight per day
  • Low heat & humidity in August in AvaruaL
    Low heat & humidity
  • 152 mm monthly rainfall in August in Avarua152
    152 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Avarua8
    8 (Very High) UV index
  • 24°C sea temperature in August in Avarua24
    24°C sea temperature

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

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

How warm is the sea around Avarua in August?

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

Does it ever rain in Avarua in August?

There are usually 3 days with some rain in Avarua in August and the average monthly rainfall is 152mm.

Avarua August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 07:10 18:21
Saturday, 16th August 2025 07:01 18:26
Sunday, 31st August 2025 06:49 18:30

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