In April, the weather in Nikolayevka is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, Nikolayevka has 9 rainy, 9 cloudy, 6 sunny, and 6 partly cloudy days in April. The rains are usually moderate. April as well as January, February, March, and October is considered the most uncomfortable time to visit Nikolayevka.