Cook Islands weather in May 2021

Get the latest coronavirus (COVID-19) updates for the Cook Islands with current travel advice, statistics and online resources.

Below are average maximum temperatures at popular destinations in the Cook Islands in May. Select a destination to see more weather parameters.

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The May weather guide for Cook Islands 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.

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How hot is it in the Cook Islands in May?

Daytime temperatures usually reach 27°C in Avarua, Cook Islands in May with moderate heat and humidity, falling to 21°C at night.

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

The average sea temperature around Avarua, Cook Islands in May is 26°C.

Does it rain in the Cook Islands in May?

There are usually 9 days with some rain in Avarua, Cook Islands in May and the average monthly rainfall is 205mm.

Cook Islands sunrise & sunset times for May 2021

Browse the sunrise & sunset times for Cook Islands in May 2021. Select a month to view Cook Islands sunrise & sunset times for the next twelve months. The Cook Islands sunrise & sunset times shown below are for Avarua.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st May 2021 06:57 18:15
Sunday, 16th May 2021 07:03 18:08
Monday, 31st May 2021 07:09 18:05
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Metric (°C / mm)  |  Imperial (°F / inches)

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