In May, the weather in Nakhon Ratchasima is typically hot. Average daily high temperature in May is about 32 degrees above zero. On average, Nakhon Ratchasima has 24 rainy, 3 cloudy, 2 sunny, and 2 partly cloudy days in May. The rains are usually heavy. May as well as June, July, August, and September is considered the most uncomfortable time to visit Nakhon Ratchasima.