April in Tunka is the rainiest and the cloudiest month of the year. In April, the weather in Tunka is typically cold. Average daily high temperature in April is about 4 degrees above zero. On average, Tunka has 13 rainy, 9 partly cloudy, 7 sunny, and 1 snowy day in April. The rains are usually light. April as well as January, February, and December is considered the most uncomfortable time to visit Tunka.