Betty'S Bay, South Africa offers 5 beaches perfect for sunbathing, surfing, swimming, and more. Betty's Bay is known for the Harold Porter National Botanical Garden and the Stony Point Penguin Colony. The best time to visit Betty's Bay, South Africa, is from November to March, with average air temperatures around 70°F (21°C) and water temperatures around 64°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!