Lexington Park, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Lexington Park is known for the Patuxent River Naval Air Museum. The best time to travel to Lexington Park, United States, is in late spring (May), when the average air temperature is around 70°F (21°C) and the water temperature is 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!