Cook Islands weather in December 2019

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.

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

Guide to Cook Islands weather in December

The average maximum daytime temperature in Cook Islands in December is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a warm 22°C (72°F).

Expect 229mm (9.0 inches) of rainfall across the whole of December with 11 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.

The average sea temperature in and around Cook Islands in December is 26°C (79°F).

The weather in Cook Islands in December is represented by Avarua.

Cook Islands sunrise & sunset times for December 2019

Browse the sunrise & sunset times for Cook Islands in December 2019. 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
Sunday, 1st December 2019 05:48 19:08
Monday, 16th December 2019 05:52 19:17
Tuesday, 31st December 2019 06:00 19:24
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