August in Khmelnitsky is the sunniest month of the year. In August, the weather in Khmelnitsky is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Khmelnitsky has 20 sunny, 7 partly cloudy, and 4 rainy days in August. The rains are usually light. August as well as May is considered the most comfortable time to visit Khmelnitsky.