March in Pervomaisk is the rainiest month of the year. In March, the weather in Pervomaisk is typically cold. Average daily high temperature in March is about 4 degrees above zero. On average, Pervomaisk has 17 rainy, 8 cloudy, 4 sunny, and 2 partly cloudy days in March. The rains are usually light. March as well as November is considered the most uncomfortable time to visit Pervomaisk.