March in Kiunga is the rainiest month of the year. In March, the weather in Kiunga is typically hot. Average daily high temperature in March is about 31 degrees above zero. On average, Kiunga has 30 rainy and 1 cloudy day in March. The rains are usually heavy. March as well as January, February, April, and May is considered the most uncomfortable time to visit Kiunga.