Saint Ignace, United States offers 8 beaches perfect for sunbathing, surfing, swimming, and more. Saint Ignace is known for the Mackinac Bridge, the Museum of Ojibwa Culture, and the Straits State Park. The best time to travel to Saint Ignace, United States, is during the summer months of June to August, when the average air temperature is around 70-75°F and the water temperature in Lake Huron 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!