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 16 partly cloudy, 12 sunny, 2 rainy, and 1 cloudy day in August. The rains are usually light. August as well as May, June, and July is considered the most uncomfortable time to visit Comodoro Rivadavia.