Subutuni, Tanzania offers 1 beach perfect for sunbathing, surfing, swimming, and more. Subutuni is known for its proximity to the historic Amboni Caves and the scenic beauty of the Usambara Mountains. The best time to travel to Subutuni, Tanzania, is from June to October, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!