Canet-En-Roussillon, France offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Canet-En-Roussillon is known for its beautiful Mediterranean beaches and the Canet-Saint-Nazaire Lagoon. The best time to travel to Canet-En-Roussillon, France, is from June to September, when the average air temperature is around 25°C (77°F) and the water temperature is approximately 22°C (72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!