What is the climate like in Cook Islands?

The climate of Cook Islands has an average yearly temperature of 28°C. Throughout the year, the average monthly temperature can drop to 26°C and rise to 30°C.

Annually, about 1812 mm of rain falls. This gives a good overview of how much rain to expect in Cook Islands.

The best time to visit Cook Islands is June, July and October. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Cook Islands.


  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 30 30 30 29 28 27 26 26 26 26 28 29
Rainfall (mm) 205 182 266 171 153 80 87 153 104 88 121 202

Climate table Cook Islands

The climate table for Cook Islands shows the average temperatures, rainfall, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 30 30 30 29 28 27 26 26 26 26 28 29
Nighttime temperature (°C) 25 25 25 24 23 22 21 21 21 22 23 24
Rainfall (mm) 205 182 266 171 153 80 87 153 104 88 121 202
UV Index 9 8 8 7 6 6 6 7 8 8 9 9
Best month No No No No No Yes Yes No No Yes No No

Temperature by month in Cook Islands

This graph shows the average high temperatures in degrees Celsius for each month in Cook Islands

Temperature by month in Cook Islands

Rainfall by month in Cook Islands

This graph shows the average monthly rainfall in millimeters in Cook Islands.

Rainfall by month in Cook Islands

UV index by month in Cook Islands

This graph shows the average UV index by month in Cook Islands.

UV index by month in Cook Islands

Yearly temperature in Cook Islands

This graph shows the average yearly temperature in Cook Islands, measured in degrees Celsius.

Yearly temperature in Cook Islands

Yearly total rainfall in Cook Islands

This graph shows the average yearly rainfall in millimeters in Cook Islands.

Rainfall per year in Cook Islands

Weather experiences in Cook Islands

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Average weather in Cook Islands by month

Click on a month below to see in detail how the weather typically is in Cook Islands and what to expect. Based on the historical weather data of Cook Islands, you can view the average temperature, rainfall, wind, and UV index for each day of the month.