In February, the weather in Irkutsk is typically freezing. Average daily high temperature in February is about 11 degrees below zero. On average, Irkutsk has 17 cloudy, 6 partly cloudy, 3 snowy, and 3 sunny days in February. The snowfalls are usually light. February as well as January, April, September, and December is considered the most uncomfortable time to visit Irkutsk.