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Average climate of 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.

Temperature 26 to 30°C
Rain 1812 mm
The climate of Cook Islands

Climate table Cook Islands

The climate table for Cook Islands shows the average temperatures, precipitation, and UV index per 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 27 28 29
Nighttime temperature (°C) 25 25 25 24 23 22 21 21 21 22 23 24
Precipitation (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 per month in Cook Islands

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

Temperature per month in Cook Islands

Precipitation per month in Cook Islands

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

Precipitation per month in Cook Islands

UV index per month in Cook Islands

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

UV index per 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 precipitation in Cook Islands

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

Precipitation per year in Cook Islands

Weather experiences in Cook Islands

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Average weather in Cook Islands per 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, precipitation, wind, and UV index for each day of the month.