April in Kalpitiya is the hottest month of the year. In April, the weather in Kalpitiya is typically hot. Average daily high temperature in April is about 30 degrees above zero. On average, Kalpitiya has 23 rainy, 6 sunny, and 1 partly cloudy day in April. The rains are usually heavy. April as well as May, September, October, and November is considered the most uncomfortable time to visit Kalpitiya.