June in Dambulla is the windiest month of the year. In June, the weather in Dambulla is typically hot. Average daily high temperature in June is about 31 degrees above zero. On average, Dambulla has 14 rainy, 8 cloudy, 6 partly cloudy, and 2 sunny days in June. The rains are usually light. June as well as April, May, July, and August is considered the most uncomfortable time to visit Dambulla.