January in Wichita Falls is the coldest month of the year. In January, the weather in Wichita Falls is typically warm. Average daily high temperature in January is about 11 degrees above zero. On average, Wichita Falls has 24 sunny, 6 partly cloudy, and 1 rainy day in January. The rains are usually heavy. January as well as July, August, and December is considered the most uncomfortable time to visit Wichita Falls.