August in Vratsa is the sunniest and the warmest month of the year. In August, the weather in Vratsa is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Vratsa has 20 sunny, 7 rainy, 3 partly cloudy, and 1 cloudy day in August. The rains are usually moderate. August as well as September is considered the most comfortable time to visit Vratsa.