January in Dolgiy Ostrov is the most freezing month of the year. In January, the weather in Dolgiy Ostrov is typically freezing. Average daily high temperature in January is about 10 degrees below zero. On average, Dolgiy Ostrov has 18 cloudy, 11 snowy, and 2 sunny days in January. The snowfalls are usually light. January as well as April, September, October, and November is considered the most uncomfortable time to visit Dolgiy Ostrov.