April in Nizhnevartovsk is the windiest month of the year. In April, the weather in Nizhnevartovsk is typically cold. Average daily high temperature in April is about 2 degrees above zero. On average, Nizhnevartovsk has 9 cloudy, 9 partly cloudy, 5 sunny, 4 rainy, and 3 snowy days in April. The rains are usually moderate.