Vermilion, United States offers 13 beaches perfect for sunbathing, surfing, swimming, and more. Vermilion, Michigan, United States, is known for its picturesque beaches and charming small-town atmosphere. The best time to travel to Vermilion, United States, is during the summer months of June to August, when the average air temperature ranges from 70°F to 80°F (21°C to 27°C) and the average water temperature in Lake Erie is around 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!