Port Sheldon, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Port Sheldon, Michigan, United States, is known for Pigeon Lake and the nearby Pigeon River. The best time to travel to Port Sheldon, 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 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!