Gouville sur Mer, France offers 2 beaches 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 from June to September, when the average air temperature is around 60-70°F (15-21°C) and the water temperature is approximately 60-65°F (16-18°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!