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The climate of the Cook Islands: when to go

The Cook Islands are located north of the Tropic of Capricorn, they have a typically tropical oceanic climate, with temperatures stable all year round. The average maximum temperatures vary between 25 ° C and 29 ° C, while the average minimum temperatures vary between 18 ° C in July and August and 23 ° C in January and February.

Seasonal differences are mainly due to the rainfall regime. The Cook Islands alternate between two seasons, a wet and rainy season from December to March, and a mild and dry season from April to November. During the rainy season, from December to March, the Cook Islands can sometimes be hit by tropical cyclones and hurricanes.

The annual average rainfall is around 2,100 mm, the rainiest months are between December and April, the least rainy months are between June and October. Anti mosquito repellents are especially needed during the wet and hot season (December-March), especially on the island of Aitutaki.

The average annual sea water temperature in Rarotonga is 26 ° C, with a maximum temperature of 28 ° C in February and a minimum of 24 ° C in August.

WHEN TO GO TO THE COOK ISLANDS

For a trip to the Cook Islands, the less rainy months from May / June to October are generally preferable.

THE CLIMATE OF THE COOK ISLANDS: CLIMATE TABLES

AVARUA, RAROTONGA (6 meters)
Month Average low (°C) Average high (°C) Precip. (mm) Precip. days
January 23 29 234  
February 23 29 257  
March 22 29 284  
April 22 28 196  
May 20 26 150  
June 19 25 122  
July 18 25 112  
August 18 25 119  
September 19 25 127  
October 20 26 135  
November 21 27 163  
December 22 28 206  
YEAR     2105  
RAROTONGA
Month Sea Water Temperature °C
January 27
February 28
March 28
April 27
May 27
June 25
July 24
August 24
September 25
October 25
November 26
December 26

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This post is also available in: German

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