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Best time to visit the Cook Islands

The best time to visit the Cook Islands is during the cooler, dry season which is from April till November with average temperatures around 26°C. The hotter, rainy season lasts from December till March with average temperatures of around 28°C, though the rains are usually short and welcome.

Generally, the Cook Islands can be visited at any time as it consistently has tropical weather throughout the year.

 

 

Climate charts for cities and places within Cook Islands

The below climate charts have been compiled by Weather2Travel.com. For an explanation to the various measurements, please read our climate notes.

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Aitutaki

  J F M A M J J A S O N D
Max temp (C)(F) 3086 3086 3086 2984 2882 2882 2781 2781 2882 2882 2984 2984
Min temp (C)(F) 2475 2475 2475 2373 2272 2272 2170 2170 2170 2272 2373 2373
Sunshine hours -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999 -9999
Daylight hours 13 13 12 12 11 11 11 12 12 13 13 13
Rainfall (mm)(in) 25110 2399 2148 2169 1747 994 813 994 904 1245 1656 2329
Rainy Days 17 16 17 13 9 6 5 3 5 5 6 12
Humidity H H H H H M M M M M H H
UV 11+/E 11+/E 11+/E 10/VH 8/VH 6/H 7/H 9/VH 11/E 11+/E 11+/E 11+/E
Sea temp (C)(F) 2882 2882 2882 2882 2781 2781 2679 2679 2679 2679 2781 2781

Rarotonga

  J F M A M J J A S O N D
Max temp (C)(F) 2882 2984 2984 2882 2781 2679 2577 2577 2679 2679 2781 2882
Min temp (C)(F) 2373 2373 2373 2272 2170 2068 1966 1966 1966 2068 2170 2272
Sunshine hours 9999 9999 9999 9999 9999 9999 9999 9999 9999 9999 9999 9999
Daylight hours 13 13 12 12 11 11 11 11 12 13 13 13
Rainfall (mm)(in) 26711 2379 2209 2319 2058 1205 1024 1526 1325 1215 1747 2299
Rainy Days 17 17 17 13 9 6 5 3 5 5 6 11
Humidity E E E VH H H H VH VH E E E
UV 11+/E 11+/E 11+/E 10/VH 7/H 6/H 6/H 8/VH 10/VH 11+/E 11+/E 11+/E
Sea temp (C)(F) 2781 2781 2882 2781 2679 2577 2577 2475 2475 2577 2577 2679