Cook Islands weather in December 2021

Get the latest coronavirus (Covid-19) updates for the Cook Islands with current travel advice and statistics on new cases per 100,000 and vaccine.

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

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The December 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.

How hot is it in the Cook Islands in December?

Daytime temperatures usually reach 28°C in Avarua, Cook Islands in December with moderate heat and humidity, falling to 22°C at night.

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

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

Does it rain in the Cook Islands in December?

There are usually 11 days with some rain in Avarua, Cook Islands in December and the average monthly rainfall is 229mm.

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

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Cook Islands sunrise & sunset times for December 2021

Browse the sunrise and sunset times for Cook Islands in December 2021. Select a month to view Cook Islands sunrise & sunset times for the next 12 months. The Cook Islands sunrise and sunset times shown below are for Avarua.


Date Sunrise times Sunset times
Wednesday, 1st December 2021 05:48 19:08
Thursday, 16th December 2021 05:52 19:18
Friday, 31st December 2021 06:00 19:24
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