April in Pili is the hottest month of the year. In April, the weather in Pili is typically hot. Average daily high temperature in April is about 30 degrees above zero. On average, Pili has 19 rainy, 6 sunny, and 5 partly cloudy days in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Pili.