January in Leesville is the coldest month of the year. In January, the weather in Leesville is typically warm. Average daily high temperature in January is about 10 degrees above zero. On average, Leesville has 15 sunny, 9 partly cloudy, 6 rainy, and 1 cloudy day in January. The rains are usually moderate. January as well as June, August, and December is considered the most uncomfortable time to visit Leesville.