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
ºC | ºF
2882
2984
2984
2984
2882
2781
2679
2577
2577
2577
2679
2781
Minimum temp
ºC | ºF
2272
2373
2373
2373
2272
2068
1966
1966
1864
1966
2068
2170
Water temp
ºC | ºF
2679
2781
2882
2781
2781
2679
2475
2475
2475
2475
2475
2577

Whale Watching Season
During July to October humpback whales can often be seen from the Rarotonga foreshore. The whales come from Antarctica to the warmer waters of the Cook Islands to mate, give birth and rest. The Cook Islands Exclusive Zone (EEZ) has been formally declared a whale sanctuary. Explore whale watching in Rarotonga.

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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