January in Agan is the most freezing month of the year. In January, the weather in Agan is typically freezing. Average daily high temperature in January is about 19 degrees below zero. On average, Agan has 27 cloudy, 3 snowy, and 1 sunny day in January. The snowfalls are usually light. January as well as February, April, May, and August is considered the most uncomfortable time to visit Agan.