Minturn, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Minturn, Colorado, United States, is known for the Minturn Mile, a popular backcountry ski run. The best time to travel to Minturn, United States, is during the summer months of June to August, when the average air temperature is around 70°F (21°C) and water temperature in nearby rivers 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!