Fanomo, Micronesia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Fanomo, Chuuk, Micronesia, is known for the Chuuk Lagoon, a renowned World War II shipwreck diving site. The best time to travel to Fanomo, Micronesia, is between December and 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!