Biscarrosse Plage, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Biscarrosse Plage is known for its expansive sandy beaches and the nearby Dune du Pilat. The best time to travel to Biscarrosse Plage, France, is from June to September, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 19-22°C (66-72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!