Kalutara, Sri Lanka offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Kalutara is known for the Kalutara Bodhiya, Richmond Castle, and the Kalutara Beach. The best time to travel to Kalutara, Sri Lanka, is from December to March, when the average air temperature is around 27°C (81°F) and the water temperature is approximately 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!