Monthly weather forecast and Climate
Oneroa Village, Cook Islands CK

Warmest months (with highest average high temperature) are January, February and March (84°F).
Months with lowest average high temperature are July and August (77°F).

Months with highest average low temperature are January, February and March (73°F).
Coldest months (with lowest average low temperature) are June, July, August and September (66°F).

Wettest month (with highest rainfall) is January (9.3").
Driest months (with lowest rainfall) are July and September (4").

Months with highest number of rainy days are January and March (17 days).
Month with lowest number of rainy days is August (3 days).

Best month for swimming (with highest average sea temperature) is March (82°F).
Coldest months (with lowest average sea temperature) are July, August, September and October (75°F).

Months with longest days are January, February, October, November and December (Average daylight: 13).
Months with shortest days are May, June, July and August (Average daylight: 11).

Months with most sunshine are January and March (Average sunshine: 17).
Month with least sunshine is August (Average sunshine: 3).

Months with highest UV index are January, February, March, October, November and December (UV index 12).
Months with lowest UV index are June and July (UV index 6).