Flaming Gorge, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Flaming Gorge is known for Flaming Gorge Reservoir and Flaming Gorge National Recreation Area. The best time to visit Flaming Gorge is from June to August, with average air temperatures around 75°F (24°C) and water temperatures near 70°F (21°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!