July in Kiunga is the coldest month of the year. In July, the weather in Kiunga is typically hot. Average daily high temperature in July is about 28 degrees above zero. On average, Kiunga has 26 rainy, 4 cloudy, and 1 sunny day in July. The rains are usually heavy. July as well as January, February, March, and April is considered the most uncomfortable time to visit Kiunga.