S Lake Tahoe, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. South Lake Tahoe is known for Heavenly Mountain Resort and Lake Tahoe itself. The best time to travel to South Lake Tahoe is from June to September, with average air temperatures ranging from 50°F to 80°F and water temperatures around 65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!