Cannon Rocks, South Africa offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Cannon Rocks is known for its excellent kitesurfing conditions and the annual Cannon Rocks Kiteboarding Classic. The best time to travel to Cannon Rocks, South Africa, is from December to February, with average air temperatures around 25°C (77°F) and water temperatures near 21°C (70°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!