Wylie, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Wylie, Texas, United States, is known for the historic Wylie Downtown District and the scenic Lavon Lake. The best time to travel to Wylie, United States, is in the spring (April to June) when the average air temperature is around 70-80°F and water temperature in nearby lakes is approximately 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!