In April, the weather in Navapolatsk is typically cold. Average daily high temperature in April is about 10 degrees above zero. On average, Navapolatsk has 13 rainy, 7 sunny, 7 cloudy, and 3 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 Navapolatsk.