Point Oneida, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Point Oneida, Michigan, United States, is known for the Sleeping Bear Dunes National Lakeshore. The best time to travel to Point Oneida, 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 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!