January in Puerto Aisen is the windiest month of the year. In January, the weather in Puerto Aisen is typically warm. Average daily high temperature in January is about 14 degrees above zero. On average, Puerto Aisen has 20 rainy, 4 sunny, 4 cloudy, and 3 partly cloudy days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Puerto Aisen.