January in Bossier City is the coldest month of the year. In January, the weather in Bossier City is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Bossier City has 12 sunny, 12 partly cloudy, 5 rainy, and 2 cloudy days in January. The rains are usually light. January as well as February, July, August, and December is considered the most uncomfortable time to visit Bossier City.