Ongoni, Comoros offers 1 beach perfect for sunbathing, surfing, swimming, and more. Ongoni is known for its proximity to the stunning beaches and vibrant marine life of Nzwani, Comoros. The best time to travel to Ongoni, Comoros, is from May to November, with average air temperatures around 25-28°C (77-82°F) and water temperatures approximately 26-28°C (79-82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!