Hikkaduwa is a seaside resort town in southwestern Sri Lanka. It’s known for its strong surf and beaches, including palm-dotted Hikkaduwa Beach, lined with restaurants and bars. The shallow waters opposite Hikkaduwa Beach shelter the Hikkaduwa National Park, which is a coral sanctuary and home to marine turtles and exotic fish. Inland, Gangarama Maha Vihara is a Buddhist temple decorated with hand-painted murals. Climate in Hikkaduwa, Sri Lanka. With a tropical rainforest climate, the weather in Hikkaduwa is characterized by high humidity and many rainy days. Large temperature fluctuations rarely occur and the daytime temperature is around 30 degrees Celsius (86° Fahrenheit) throughout the year.Hikkaduwa is a renowned year-round surfing destination, attracting enthusiasts from all over the world.Scuba diving excursions are widely available, with visibility at its prime from November to March.n the forest near Meetiyagoda, about four miles from Hikkaduwa, is a moonstone mine that welcomes visitors.Hikkaduwa Beach and Surfing ; Hikkaduwa Coral Sanctuary and Snorkeling are the main activities you can explore.