April in Nong Bua Lamphu is the hottest month of the year. In April, the weather in Nong Bua Lamphu is typically hot. Average daily high temperature in April is about 35 degrees above zero. On average, Nong Bua Lamphu has 13 sunny, 11 rainy, 5 partly cloudy, and 1 cloudy day in April. The rains are usually heavy.