June in Kampala is the cloudiest month of the year. In June, the weather in Kampala is typically warm. Average daily high temperature in June is about 25 degrees above zero. On average, Kampala has 22 rainy, 5 cloudy, and 3 partly cloudy days in June. The rains are usually heavy. June as well as February, March, April, and May is considered the most uncomfortable time to visit Kampala.