In April, the weather in Pervomayskiy is typically cold. Average daily high temperature in April is about 6 degrees above zero. On average, Pervomayskiy has 15 rainy, 12 cloudy, 2 sunny, and 1 partly cloudy day in April. The rains are usually moderate. April as well as January, February, October, and December is considered the most uncomfortable time to visit Pervomayskiy.