Christmas Rock, South Africa offers 1 beach perfect for sunbathing, surfing, swimming, and more. Christmas Rock, Eastern Cape, South Africa, is known for its proximity to the Addo Elephant National Park and the scenic beauty of the Sundays River Valley. The best time to travel to Christmas Rock, South Africa, is during the summer months of December to February, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 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!