Mandeni, South Africa offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Mandeni is known for its proximity to the scenic Tugela River and the historical site of the Battle of Tugela Heights. The best time to travel to Mandeni, South Africa, is from May to September, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 21-23°C (70-73°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!