January in Zheleznogorsk is the most freezing month of the year. In January, the weather in Zheleznogorsk is typically freezing. Average daily high temperature in January is about 15 degrees below zero. On average, Zheleznogorsk has 17 cloudy, 6 sunny, 5 partly cloudy, and 3 snowy days in January. The snowfalls are usually light. January as well as February, April, May, and October is considered the most uncomfortable time to visit Zheleznogorsk.