Nyanguge, Tanzania offers 1 beach perfect for sunbathing, surfing, swimming, and more. Nyanguge, Mwanza Region, Tanzania, is known for its proximity to Lake Victoria and the nearby Rubondo Island National Park. The best time to travel to Nyanguge, Tanzania, is from June to October, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 24°C (75°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!