January weather forecast in Irkutsk

January in Irkutsk is the cloudiest and the most freezing month of the year. In January, the weather in Irkutsk is typically freezing. Average daily high temperature in January is about 15 degrees below zero. On average, Irkutsk has 25 cloudy, 3 partly cloudy, 2 sunny, and 1 snowy day in January. The snowfalls are usually light. January as well as February, April, September, and December is considered the most uncomfortable time to visit Irkutsk.