Saint Brelade, Jersey offers 7 beaches perfect for sunbathing, surfing, swimming, and more. Saint Brelade, Western, Jersey, is known for its stunning Saint Brelade's Bay and the historic Fishermen's Chapel. The best time to travel to Saint Brelade, Jersey, is from June to September, when the average air temperature is around 18-22°C (64-72°F) and the water temperature is approximately 16-18°C (61-64°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!