Royan, France offers 14 beaches perfect for sunbathing, surfing, swimming, and more. Royan is known for its modernist architecture, the Grande Conche Beach, and the Church of Notre-Dame. The best time to travel to Royan, France, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 18-22°C (64-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!