April in Novopetrovskiy is the rainiest month of the year. In April, the weather in Novopetrovskiy is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Novopetrovskiy has 14 rainy, 6 sunny, 6 cloudy, and 4 partly cloudy days in April. The rains are usually light. April as well as March, October, and November is considered the most uncomfortable time to visit Novopetrovskiy.