Belle Terre, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Belle Terre is known for its proximity to Port Jefferson Harbor and the historic Port Jefferson Village. The best time to travel to Belle Terre, United States, is during late spring to early summer (May to June) when the average air temperature is around 65-75°F and the water temperature is approximately 60-65°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
