Ussangoda, Sri Lanka offers 1 beach perfect for sunbathing, surfing, swimming, and more. Southwest Harbor is known for its proximity to Acadia National Park and the Bass Harbor Head Lighthouse. The best time to travel to Ussangoda, Sri Lanka, is from December to March, with average air temperatures around 27°C (81°F) and water temperatures near 28°C (82°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!