Best time to visit the Cook Islands

Find the best time to visit the Cook Islands and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Cook Islands by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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Top Cook Islands destinations

Below are the temperatures expected today at popular countries, regions and places in the Cook Islands. Select a destination to compare today's forecast with average weather conditions.

All Cook Islands destinations

When is the best time to visit Cook Islands?

The best time to visit Cook Islands (Avarua) is January, April, May, June, July, August, September, October, November and December based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 28°C maximum daytime temperature in January in Cook Islands (Avarua)28
    Jan
  • 29°C maximum daytime temperature in February in Cook Islands (Avarua)29
    Feb
  • 29°C maximum daytime temperature in March in Cook Islands (Avarua)29
    Mar
  • 28°C maximum daytime temperature in April in Cook Islands (Avarua)28
    Apr
  • 27°C maximum daytime temperature in May in Cook Islands (Avarua)27
    May
  • 26°C maximum daytime temperature in June in Cook Islands (Avarua)26
    Jun
  • 25°C maximum daytime temperature in July in Cook Islands (Avarua)25
    Jul
  • 25°C maximum daytime temperature in August in Cook Islands (Avarua)25
    Aug
  • 26°C maximum daytime temperature in September in Cook Islands (Avarua)26
    Sep
  • 26°C maximum daytime temperature in October in Cook Islands (Avarua)26
    Oct
  • 27°C maximum daytime temperature in November in Cook Islands (Avarua)27
    Nov
  • 28°C maximum daytime temperature in December in Cook Islands (Avarua)28
    Dec

Which is the hottest month in the Cook Islands?

The hottest time of year in Avarua, Cook Islands is normally February. Expect maximum daytime temperatures to reach 29°C with high heat and humidity.

Which month has the most rain in the Cook Islands?

In terms of rainfall, January is usually the wettest month in Avarua, Cook Islands with 267mm on average. There are normally 17 days in January with some rain.

When is the sea warmest in the Cook Islands?

The sea is usually at its warmest in Avarua, Cook Islands in March when the water temperature reaches 28°C.

Best time to visit

The weather guide for Cook Islands (Avarua) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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Cook Islands weather overview

Mountainous Raratonga is the best known of the Cook Islands which are a group of six large and nine smaller Polynesian islands which share a tropical climate, strongly influenced by the seas which surround them. Rain occurs throughout the year but is heaviest between November and April when occasional storms and cyclones can hit.

Temperatures and humidity are high all year but May to October are cooler months and even very hot, sticky days are tempered by sea breezes which create a pleasant and healthy climate.

What to pack for Cook Islands weather

Take light clothing whatever the time of year, supplemented by wraps for cooler evenings. Always go prepared for rain.

Cook Islands travel features

Do you want to learn more about the Cook Islands? Read our latest features covering travel tips and insider destination guides on where to go and what to do in the Cook Islands.

We don't currently have any travel features on the Cook Islands. Discover more about holiday destinations around the world with this selection of general travel articles.

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