Overstrand, South Africa offers 16 beaches perfect for sunbathing, surfing, swimming, and more. Overstrand, Western Cape, South Africa, is known for the Hermanus Whale Festival and the scenic beauty of the Cape Whale Coast. The best time to travel to Overstrand, South Africa, is from November to March, with average air temperatures around 20-25°C (68-77°F) and water temperatures around 18-20°C (64-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!