January in Keokuk is the snowiest and the most freezing month of the year. In January, the weather in Keokuk is typically freezing. Average daily high temperature in January is about 1 degree below zero. On average, Keokuk has 14 cloudy, 7 sunny, 6 partly cloudy, and 4 snowy days in January. The snowfalls are usually light. January as well as February, March, April, and November is considered the most uncomfortable time to visit Keokuk.