January in Smolny is the most freezing month of the year. In January, the weather in Smolny is typically freezing. Average daily high temperature in January is about 9 degrees below zero. On average, Smolny has 17 cloudy, 11 snowy, 2 sunny, and 1 partly cloudy day in January. The snowfalls are usually light. January as well as April, October, and November is considered the most uncomfortable time to visit Smolny.