Berthier sur Mer, Canada offers 1 beach perfect for sunbathing, surfing, swimming, and more. Berthier sur Mer is known for its scenic views of the St. Lawrence River and its charming maritime atmosphere. The best time to travel to Berthier-sur-Mer, Canada, is during the summer months of June to August, when the average air temperature is around 20-25°C (68-77°F) and the water temperature is approximately 15-20°C (59-68°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
