August in Vyvenka is the rainiest month of the year. In August, the weather in Vyvenka is typically warm. Average daily high temperature in August is about 14 degrees above zero. On average, Vyvenka has 17 rainy, 7 cloudy, 5 sunny, and 2 partly cloudy days in August. The rains are usually heavy. August as well as January, February, March, and May is considered the most uncomfortable time to visit Vyvenka.