January in Gympie is the rainiest, the windiest, the cloudiest, and the warmest month of the year. In January, the weather in Gympie is typically warm. Average daily high temperature in January is about 26 degrees above zero. On average, Gympie has 18 rainy, 7 sunny, 5 partly cloudy, and 1 cloudy day in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Gympie.