January in Pervomaysky is the most freezing month of the year. In January, the weather in Pervomaysky is typically freezing. Average daily high temperature in January is about 11 degrees below zero. On average, Pervomaysky has 21 cloudy, 4 snowy, 4 sunny, and 2 partly cloudy days in January. The snowfalls are usually light. January as well as April, September, October, and December is considered the most uncomfortable time to visit Pervomaysky.