Constantine Bay, United Kingdom offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Constantine Bay, England, United Kingdom, is known for its stunning beach and proximity to the renowned Trevose Golf and Country Club. The best time to visit Constantine Bay, United Kingdom, is during the summer months of June to August, when the average air temperature is around 18°C (64°F) and the water temperature is approximately 16°C (61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!