December in Syul'dyukar is the most freezing month of the year. In December, the weather in Syul'dyukar is typically freezing. Average daily high temperature in December is about 28 degrees below zero. On average, Syul'dyukar has 28 cloudy, 2 sunny, and 1 partly cloudy day in December. December as well as January, February, March, and May is considered the most uncomfortable time to visit Syul'dyukar.