January in Kununurra is the rainiest and the cloudiest month of the year. In January, the weather in Kununurra is typically hot. Average daily high temperature in January is about 33 degrees above zero. On average, Kununurra has 25 rainy, 5 cloudy, and 1 sunny day in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Kununurra.