West Coast Peninsula, South Africa offers 2 beaches perfect for sunbathing, surfing, swimming, and more. West Coast Peninsula is known for the West Coast National Park and the annual wildflower displays in the Postberg section. The best time to travel to the West Coast Peninsula, South Africa, is during the spring months of September to November, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 15-18°C (59-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!