January in Brownwood is the coldest month of the year. In January, the weather in Brownwood is typically warm. Average daily high temperature in January is about 13 degrees above zero. On average, Brownwood has 20 sunny, 9 partly cloudy, and 2 rainy days in January. The rains are usually moderate. January as well as June, July, August, and December is considered the most uncomfortable time to visit Brownwood.