Plerin, France offers 6 beaches perfect for sunbathing, surfing, swimming, and more. Plerin is known for its proximity to the stunning Pink Granite Coast and the scenic Bay of Saint-Brieuc. The best time to travel to Plerin, 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 17-19°C (63-66°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!