Cook Islands weather in June 2025

Expect 79°F daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Cook Islands in June. Check more long-term weather averages for Cook Islands in June before you book your next holiday to Cook Islands in 2025/2026.

  • 79°F maximum daytime temperature in June in Cook Islands (Avarua)79
    79°F max day temperature
  • 6 days with some rainfall in June in Cook Islands (Avarua)6
    6 days with some rainfall
  • 68°F minimum night-time temperature in June in Cook Islands (Avarua)68
    68°F min night temperature
  • 11 hours of daylight per day in June in Cook Islands (Avarua)11
    11 hours of daylight per day
  • Low heat & humidity in June in Cook Islands (Avarua)L
    Low heat & humidity
  • 4.7 inches monthly rainfall in June in Cook Islands (Avarua)4.7
    4.7 inches of monthly rainfall
  • UV (maximum) index 6 (High) in June in Cook Islands (Avarua)6
    6 (High) UV index
  • 77°F sea temperature in June in Cook Islands (Avarua)77
    77°F sea temperature

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The June 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 June. 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 June?

Daytime temperatures usually reach 79°F in Avarua, Cook Islands in June with low heat and humidity, falling to 68°F at night.

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

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

Does it rain in the Cook Islands in June?

There are usually 6 days with some rain in Avarua, Cook Islands in June and the average monthly rainfall is 4.7 inches.

Cook Islands June sunrise & sunset times

Browse the sunrise and sunset times for Cook Islands in June 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
Sunday, 1st June 2025 07:09 18:05
Sunday, 15th June 2025 07:14 18:05
Monday, 30th June 2025 07:17 18:09

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