January in Katherine is the rainiest and the cloudiest month of the year. In January, the weather in Katherine is typically hot. Average daily high temperature in January is about 32 degrees above zero. On average, Katherine has 23 rainy, 3 cloudy, 3 partly cloudy, and 2 sunny days in January. The rains are usually heavy. January as well as February, March, November, and December is considered the most uncomfortable time to visit Katherine.