Maggona, Sri Lanka offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Maggona, Western Province, Sri Lanka, is known for its proximity to the Kalutara Bodhiya, a sacred Buddhist site. The best time to travel to Maggona, 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!