January in Kansas City is the snowiest and the coldest month of the year. In January, the weather in Kansas City is typically cold. Average daily high temperature in January is about 4 degrees above zero. On average, Kansas City has 12 sunny, 9 partly cloudy, 6 cloudy, 2 rainy, and 2 snowy days in January. The rains are usually light. January as well as February, March, June, and July is considered the most uncomfortable time to visit Kansas City.