January in Yuma is the most freezing month of the year. In January, the weather in Yuma is typically freezing. Average daily high temperature in January is about 10 degrees below zero. On average, Yuma has 16 snowy, 14 cloudy, and 1 sunny day in January. The snowfalls are usually light. January as well as April, September, and October is considered the most uncomfortable time to visit Yuma.