Oranjemund, Namibia offers 1 beach perfect for sunbathing, surfing, swimming, and more. Oranjemund is known for the Sperrgebiet National Park and its diamond mining history. The best time to travel to Oranjemund, Namibia, is from May to September, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!