May in Comodoro Rivadavia is the cloudiest month of the year. In May, the weather in Comodoro Rivadavia is typically warm. Average daily high temperature in May is about 11 degrees above zero. On average, Comodoro Rivadavia has 14 partly cloudy, 12 sunny, 4 cloudy, and 1 rainy day in May. The rains are usually light. May as well as June, July, and August is considered the most uncomfortable time to visit Comodoro Rivadavia.