Mayville, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Mayville is known for Chautauqua Lake and the Chautauqua Institution. The best time to travel to Mayville, United States, is in late spring or early summer when the average air temperature is around 65-75°F and water temperature is approximately 60-70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!