Lake Villa, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Lake Villa, Illinois, United States, is known for the Chain O'Lakes State Park, a popular destination for outdoor recreation and water activities. The best time to travel to Lake Villa, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature is approximately 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!