Planning for the weather is a good way to make your trip to Maupiti relaxing and enjoyable, especially when you're splurging. The hottest months are usually March and April, with an average temperature of 28°C, while the coldest months are August and September, with an average of 26°C. The rainiest months in Maupiti are January, February, December and November, with each month seeing an average of 276 mm of rainfall.