March weather forecast in Colombo

March in Colombo is the hottest month of the year. In March, the weather in Colombo is typically hot. Average daily high temperature in March is about 29 degrees above zero. On average, Colombo has 19 rainy, 8 sunny, and 4 partly cloudy days in March. The rains are usually heavy. March as well as April, May, June, and July is considered the most uncomfortable time to visit Colombo.