January in Launceston is the warmest month of the year. In January, the weather in Launceston is typically warm. Average daily high temperature in January is about 22 degrees above zero. On average, Launceston has 11 sunny, 9 partly cloudy, 8 rainy, and 3 cloudy days in January. The rains are usually heavy. January as well as February is considered the most comfortable time to visit Launceston.