Carleton sur Mer, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Carleton sur Mer is known for the Miguasha National Park, a UNESCO World Heritage Site famous for its well-preserved fossil fish. The best time to travel to Carleton-sur-Mer, Canada, is during the summer months of June to August, when the average air temperature is around 20°C (68°F) and the water temperature is approximately 15°C (59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!