New Florence, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. New Florence, Missouri, United States, is known for its proximity to Graham Cave State Park. The best time to travel to New Florence, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!