April in Sibir is the rainiest month of the year. In April, the weather in Sibir is typically cold. Average daily high temperature in April is about 6 degrees above zero. On average, Sibir has 19 rainy, 7 cloudy, 2 sunny, 1 snowy, and 1 partly cloudy day in April. The rains are usually moderate. April as well as January, February, and October is considered the most uncomfortable time to visit Sibir.