Weather will likely play an important role when you plan your trip to Maupiti, but bear in mind that cheaper options are usually available when the weather isn't as good. 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.