January in Launceston is the windiest month of the year. In January, the weather in Launceston is typically cold. Average daily high temperature in January is about 7 degrees above zero. On average, Launceston has 22 rainy, 5 sunny, and 4 cloudy days in January. The rains are usually heavy. January as well as February, March, May, and July is considered the most uncomfortable time to visit Launceston.