Maupiha a, French Polynesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Maupihaa, Leeward Islands, French Polynesia, is known for its pristine lagoon and rich marine biodiversity. The best time to travel to Maupihaa, French Polynesia, is from May to October, with average air temperatures around 77-86°F (25-30°C) and water temperatures approximately 79-84°F (26-29°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!