August in Vasylkivka is the sunniest and the hottest month of the year. In August, the weather in Vasylkivka is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Vasylkivka has 24 sunny, 6 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Vasylkivka.