You'll likely spend much of your trip indoors, but if you're planning to venture beyond the casino, taking a look at local weather data can help you. The hottest months are usually March and February with an average temp of 80°F, while the coldest months are August and September with an average of 76°F. The rainiest months in Papeete are January, February, December, and March, with each month seeing an average of 13 inches of rainfall.