In April, the weather in Mikun is typically cold. Average daily high temperature in April is about 5 degrees above zero. On average, Mikun has 9 cloudy, 9 partly cloudy, 6 sunny, 5 rainy, and 1 snowy day in April. The rains are usually light. April as well as January, February, September, and October is considered the most uncomfortable time to visit Mikun.