Gouville-Sur-Mer, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Gouville-Sur-Mer is known for its colorful beach huts and the scenic Cotentin Peninsula. The best time to travel to Gouville-Sur-Mer, France, is during the summer months of June to August, when the average air temperature is around 18-22°C (64-72°F) and the water temperature is approximately 17-20°C (63-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!