March weather forecast in Negombo

March in Negombo is the hottest month of the year. In March, the weather in Negombo is typically hot. Average daily high temperature in March is about 30 degrees above zero. On average, Negombo has 17 rainy, 10 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 Negombo.