January in Frankfort is the snowiest, the windiest, the cloudiest, and the most freezing month of the year. In January, the weather in Frankfort is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Frankfort has 15 cloudy, 6 snowy, 5 sunny, 4 rainy, and 1 partly cloudy day in January. The snowfalls are usually light.