Tega Cay, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Tega Cay is known for its recreational activities on Lake Wylie and its extensive golf courses. The best time to travel to Tega Cay, United States, is in late spring (May), when the average air temperature is around 75°F (24°C) and the water temperature is approximately 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!