Cook Islands weather in January 2021

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

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The January 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 January?

Daytime temperatures usually reach 28°C in Avarua, Cook Islands in January with high heat and humidity, falling to 23°C at night.

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

The average sea temperature around Avarua, Cook Islands in January is 27°C.

Does it rain in the Cook Islands in January?

There are usually 17 days with some rain in Avarua, Cook Islands in January and the average monthly rainfall is 267mm.

What is the chance of a cyclone in the Cook Islands in January?

On average less than 1 day in January in Avarua, Cook Islands is likely to be affected by the passage of one or more tropical storms.

Cook Islands sunrise & sunset times for January 2021

Browse the sunrise & sunset times for Cook Islands in January 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.


Date Sunrise times Sunset times
Friday, 1st January 2021 06:01 19:25
Saturday, 16th January 2021 06:11 19:27
Sunday, 31st January 2021 06:21 19:24
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Metric (°C / mm)  |  Imperial (°F / inches)

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