Dongwe, Tanzania offers 1 beach perfect for sunbathing, surfing, swimming, and more. Dongwe is known for its pristine beaches and luxury resorts on the southeastern coast of Zanzibar. The best time to travel to Dongwe, Tanzania, is from June to October, when the average air temperature is around 25-30°C (77-86°F) and the water temperature is 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!