January in Shreveport is the coldest month of the year. In January, the weather in Shreveport is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Shreveport has 12 sunny, 11 partly cloudy, 6 rainy, and 2 cloudy days in January. The rains are usually light. January as well as August and December is considered the most uncomfortable time to visit Shreveport.