May in Juba is the cloudiest month of the year. In May, the weather in Juba is typically hot. Average daily high temperature in May is about 32 degrees above zero. On average, Juba has 17 rainy, 6 cloudy, 4 sunny, and 4 partly cloudy days in May. The rains are usually heavy. May as well as April, June, July, and August is considered the most uncomfortable time to visit Juba.