Saint Plantaire, France offers 1 beach perfect for sunbathing, surfing, swimming, and more. Saint Plantaire is known for its picturesque lakeside beaches and tranquil natural surroundings. The best time to travel to Saint Plantaire, France, is during late spring to early autumn (May to September) when the average air temperature ranges from 15°C to 25°C (59°F to 77°F) and the water temperature in nearby lakes is around 18°C to 22°C (64°F to 72°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!