In April, the weather in Pervomaysky is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Pervomaysky has 10 partly cloudy, 7 rainy, 7 sunny, 5 cloudy, and 1 snowy day in April. The rains are usually light. April as well as January, March, October, and November is considered the most uncomfortable time to visit Pervomaysky.