Covert, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Covert, Michigan, United States, is known for its proximity to Lake Michigan and its scenic rural landscapes. The best time to travel to Covert, 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 in nearby Lake Michigan 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!