Piedmont, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Piedmont, Missouri, United States, is known for Clearwater Lake and the nearby Mark Twain National Forest. The best time to travel to Piedmont, United States, is in the fall (September to November) when the average air temperature is around 60-70°F and water temperature in nearby lakes is approximately 60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!