Williams, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Williams, Minnesota, United States, is known for its proximity to Lake of the Woods, a popular destination for fishing and outdoor recreation. The best time to travel to Williams, United States, is from May to September, with average air temperatures ranging from 50°F to 80°F and water temperatures in nearby lakes around 60°F to 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!