Cook Islands weather

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

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The weather guide for Cook Islands 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.

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Metric (°C)  |  Imperial (°F)

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Compare Cook Islands weather with the USA

Below the Cook Islands weather chart shows average maximum daytime temperature for Cook Islands (Avarua) and the USA (Washington).

Maximum daytime temperature (°F)

Cook Islands (Avarua)
USA (Washington)

Metric (°C)  |  Imperial (°F)

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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.

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