Saint Pair sur Mer, France offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Saint Pair sur Mer is known for its beautiful beaches and proximity to the iconic Mont Saint-Michel. The best time to travel to Saint Pair sur Mer, France, is from June to September, when the average air temperature is around 18-22°C (64-72°F) and the water temperature is approximately 16-19°C (61-66°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!