Dinard, France offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Dinard is known for its elegant Belle Epoque villas and the annual British Film Festival. The best time to travel to Dinard, France, is from June to September, when the average air temperature is around 18-22°C (64-72°F) and the water temperature is approximately 16-19°C (61-66°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!