April weather forecast in Nan

April in Nan is the hottest month of the year. In April, the weather in Nan is typically hot. Average daily high temperature in April is about 34 degrees above zero. On average, Nan has 15 rainy, 12 sunny, and 3 partly cloudy days in April. The rains are usually heavy. April as well as May, June, July, and August is considered the most uncomfortable time to visit Nan.