January in Moranbah is the rainiest and the cloudiest month of the year. In January, the weather in Moranbah is typically hot. Average daily high temperature in January is about 30 degrees above zero. On average, Moranbah has 16 rainy, 6 sunny, 5 cloudy, and 4 partly cloudy days in January. The rains are usually heavy. January as well as February is considered the most uncomfortable time to visit Moranbah.