April in Chaiyaphum is the hottest month of the year. In April, the weather in Chaiyaphum is typically hot. Average daily high temperature in April is about 34 degrees above zero. On average, Chaiyaphum has 13 rainy, 9 sunny, 7 partly cloudy, and 1 cloudy day in April. The rains are usually heavy. April as well as May, June, July, and August is considered the most uncomfortable time to visit Chaiyaphum.