April in Baykalsk is the cloudiest month of the year. In April, the weather in Baykalsk is typically cold. Average daily high temperature in April is about 6 degrees above zero. On average, Baykalsk has 14 partly cloudy, 10 sunny, and 6 rainy days in April. The rains are usually light. April as well as January, February, October, and December is considered the most uncomfortable time to visit Baykalsk.