Cook Islands weather in July 2025

Expect 77°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Cook Islands in July. Check more long-term weather averages for Cook Islands in July before you book your next holiday to Cook Islands in 2025/2026.

  • 77°F maximum daytime temperature in July in Cook Islands (Avarua)77
    77°F max day temperature
  • 5 days with some rainfall in July in Cook Islands (Avarua)5
    5 days with some rainfall
  • 66°F minimum night-time temperature in July in Cook Islands (Avarua)66
    66°F min night temperature
  • 11 hours of daylight per day in July in Cook Islands (Avarua)11
    11 hours of daylight per day
  • Low heat & humidity in July in Cook Islands (Avarua)L
    Low heat & humidity
  • 4.0 inches monthly rainfall in July in Cook Islands (Avarua)4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in July in Cook Islands (Avarua)6
    6 (High) UV index
  • 77°F sea temperature in July in Cook Islands (Avarua)77
    77°F sea temperature

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The July 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.

Top Cook Islands destinations

Below are average maximum temperatures at popular countries, regions and places in the Cook Islands in July. Select a holiday destination to see more weather parameters.

All Cook Islands destinations

Metric (°C)  |  Imperial (°F)

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How hot is it in the Cook Islands in July?

Daytime temperatures usually reach 77°F in Avarua, Cook Islands in July with low heat and humidity, falling to 66°F at night.

How warm is the sea around the Cook Islands in July?

The average sea temperature around Avarua, Cook Islands in July is 77°F.

Does it rain in the Cook Islands in July?

There are usually 5 days with some rain in Avarua, Cook Islands in July and the average monthly rainfall is 4.0 inches.

Cook Islands July sunrise & sunset times

Browse the sunrise and sunset times for Cook Islands in July 2025. Select a month to view Cook Islands sunrise and sunset times for the next 12 months. The Cook Islands sunrise and sunset times shown below are for Avarua.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 07:17 18:09
Wednesday, 16th July 2025 07:16 18:15
Thursday, 31st July 2025 07:11 18:20

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