August in Cafayate is the sunniest month of the year. In August, the weather in Cafayate is typically warm. Average daily high temperature in August is about 18 degrees above zero. On average, Cafayate has 25 sunny, 4 partly cloudy, and 2 rainy days in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Cafayate.