Indian Head, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Indian Head, Maryland, United States, is known for the Indian Head Rail Trail and its proximity to the Potomac River. The best time to travel to Indian Head, 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!