Westons Iroquois Beach, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Westons Iroquois Beach, Michigan, United States, is known for its picturesque Lake Michigan shoreline and the nearby Silver Lake Sand Dunes. The best time to visit Westons Iroquois Beach is during the summer months of June to August, when the average air temperature is around 75°F (24°C) and the water temperature is approximately 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!