In July, the weather in Xieng Khouang is typically warm. Average daily high temperature in July is about 26 degrees above zero. On average, Xieng Khouang has 29 rainy, 1 sunny, and 1 cloudy day in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Xieng Khouang.