August in Comodoro Rivadavia is the cloudiest month of the year. In August, the weather in Comodoro Rivadavia is typically cold. Average daily high temperature in August is about 9 degrees above zero. On average, Comodoro Rivadavia has 12 sunny, 11 partly cloudy, 5 rainy, and 3 cloudy days in August. The rains are usually light. August as well as May, June, July, and September is considered the most uncomfortable time to visit Comodoro Rivadavia.