Wanyaan, Micronesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Wanyaan, Yap, Micronesia, is known for its traditional stone money, known as Rai, and its vibrant marine life, particularly manta ray diving. The best time to travel to Wanyaan, Micronesia, is from December to April, with average air temperatures around 80°F (27°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!