Oegono, Micronesia offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Oegono, Pohnpei, Micronesia, is known for the ancient ruins of Nan Madol. The best time to travel to Oegono, 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!