July in Sepang is the windiest month of the year. In July, the weather in Sepang is typically hot. Average daily high temperature in July is about 30 degrees above zero. On average, Sepang has 26 rainy, 3 cloudy, and 2 sunny days in July. The rains are usually moderate. July as well as January, February, March, and April is considered the most uncomfortable time to visit Sepang.