March in Tangalle is the hottest month of the year. In March, the weather in Tangalle is typically hot. Average daily high temperature in March is about 30 degrees above zero. On average, Tangalle has 20 rainy, 7 sunny, 3 partly cloudy, and 1 cloudy day in March. The rains are usually heavy. March as well as April, May, August, and September is considered the most uncomfortable time to visit Tangalle.