January in Melbourne is the coldest month of the year. In January, the weather in Melbourne is typically warm. Average daily high temperature in January is about 20 degrees above zero. On average, Melbourne has 13 sunny, 8 partly cloudy, 7 rainy, and 3 cloudy days in January. The rains are usually moderate. January as well as February, March, April, and December is considered the most comfortable time to visit Melbourne.