January in Sivys-Yakh is the most freezing month of the year. In January, the weather in Sivys-Yakh is typically freezing. Average daily high temperature in January is about 18 degrees below zero. On average, Sivys-Yakh has 27 cloudy, 3 snowy, and 1 sunny day in January. The snowfalls are usually light. January as well as February, April, May, and September is considered the most uncomfortable time to visit Sivys-Yakh.