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Weather & Seasons

It’s always a good time to visit. The Cook Islands enjoy a pleasant warm and sunny climate all year round. June to August are slightly cooler months, November to March marks the warmer season, with occasional tropical showers. The drier months, from April to November, average 26°C. The warmer, more humid season runs from December to March, when the temperature ranges between 22°C (min) and 30°C (max).

 
  DEC JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV
Maximum temp
°C|°F
28 29 29 29 28 27 26 25 25 25 26 27
Minimum temp
°C|°F
22 23 23 23 22 20 19 19 18 19 20 21
Water temp
°C|°F
26 27 28 27 27 26 24 24 24 24 24 25
28Maximum temp |
22Minimum temp |
26Water temp |

Whale watching season

During August to September humpback whales cam often be seen from the Rarotonga foreshore. The whales come from Antartica to the warmer waters of the Cook Islands to mate and calf. The Cook Islands Exclusive Zone (EEZ) has been formally declared a whale sanctuary. 

Kitesurfing Season

Steady all year round with passing low pressure systems on the tropical belt, kitesurfing in the Cook Islands is best during the trade wind season of May to October. Learn more about kitesurfing in the Cook Islands. 

 

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