January in Abilene is the coldest month of the year. In January, the weather in Abilene is typically warm. Average daily high temperature in January is about 12 degrees above zero. On average, Abilene has 20 sunny, 10 partly cloudy, and 1 rainy day in January. January as well as June, July, August, and December is considered the most uncomfortable time to visit Abilene.