January in Comodoro Rivadavia is the sunniest and the warmest month of the year. In January, the weather in Comodoro Rivadavia is typically warm. Average daily high temperature in January is about 22 degrees above zero. On average, Comodoro Rivadavia has 23 sunny and 8 partly cloudy days in January. January as well as February is considered the most comfortable time to visit Comodoro Rivadavia.