To go to Cook Islands, the best time to visit is April through November. In this period you have a warm temperature and little precipitation. In Cook Islands, January is the warmest month with 27°C and the most cold month is 23°C in August.
In the table below you can quickly see the average weather by month in Cook Islands, the monthly temperatures or when the precipitation is the highest. Average monthly climate data is based on data from the past 30 years.
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Cook Islands has a tropical rainforest climate. It is usually (very) warm, humid and rainy all year round. The average annual temperature for Cook Islands is 25° degrees and there is about 931 mm of rain in a year. It is dry for 99 days a year with an average humidity of 77% and an UV-index of 7.
What is the average Cook Islands weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
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27°C
27°C
24°C
