Parsons, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Parsons, Kansas, United States, is known for the Parsons Arboretum and the Iron Horse Museum. The best time to travel to Parsons, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and water temperatures in nearby lakes are approximately 65°F (18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!