December in Puerto Madryn is the windiest month of the year. In December, the weather in Puerto Madryn is typically warm. Average daily high temperature in December is about 24 degrees above zero. On average, Puerto Madryn has 22 sunny, 8 partly cloudy, and 1 rainy day in December. The rains are usually light. December as well as January, February, March, and November is considered the most comfortable time to visit Puerto Madryn.