IN SHORT.......
The Cook Islands weather is typically tropical. Summer is hotter and more humid with a higher rainfall and the risk of tropical storms and sometimes cyclones (Hurricanes. Winter is cooler and drier. Aitutaki and the northern Islands are noticeably warmer than the capital city island RAROTONGA, which accumulates clouds around its mountain peaks.
Mangaia in the south is the coolest island, Penrhyn & Rakahanga in the north are the hottest as they're closer to the equator (typically 5-7 degrees Celsius warmer than Rarotonga.
SUMMER: NOVEMBER - APRIL
The summer rainy season begins in December and lasts until April. November to March is also cyclone season. It can become hot & humid (29 degrees celcius / 84 Fahrenheit by day) with bright sunny mornings and late afternoon down pours around Rarotonga. As the heat accumulates over the Pacific Ocean this season, depressions can be formed bringing with them thunder storms, strong wind and occasionally tropical cyclones.
WINTER: MAY-OCTOBER
This is our dry season. July is mid-winter and the average daily temperature is 25 degrees Celsius / 77 Fahrenheit at night. And on really cold nights, it can fall as low as 14 degrees Celsius / 57 Fahrenheit!
The Cook Islands weather is typically tropical. Summer is hotter and more humid with a higher rainfall and the risk of tropical storms and sometimes cyclones (Hurricanes. Winter is cooler and drier. Aitutaki and the northern Islands are noticeably warmer than the capital city island RAROTONGA, which accumulates clouds around its mountain peaks.
Mangaia in the south is the coolest island, Penrhyn & Rakahanga in the north are the hottest as they're closer to the equator (typically 5-7 degrees Celsius warmer than Rarotonga.
SUMMER: NOVEMBER - APRIL
The summer rainy season begins in December and lasts until April. November to March is also cyclone season. It can become hot & humid (29 degrees celcius / 84 Fahrenheit by day) with bright sunny mornings and late afternoon down pours around Rarotonga. As the heat accumulates over the Pacific Ocean this season, depressions can be formed bringing with them thunder storms, strong wind and occasionally tropical cyclones.
WINTER: MAY-OCTOBER
This is our dry season. July is mid-winter and the average daily temperature is 25 degrees Celsius / 77 Fahrenheit at night. And on really cold nights, it can fall as low as 14 degrees Celsius / 57 Fahrenheit!
