July in Lhasa is the cloudiest and the warmest month of the year. In July, the weather in Lhasa is typically warm. Average daily high temperature in July is about 14 degrees above zero. On average, Lhasa has 15 rainy, 13 cloudy, and 3 sunny days in July. The rains are usually moderate. July as well as April, May, June, and September is considered the most uncomfortable time to visit Lhasa.