January in Puerto Natales is the warmest month of the year. In January, the weather in Puerto Natales is typically warm. Average daily high temperature in January is about 12 degrees above zero. On average, Puerto Natales has 16 rainy, 9 cloudy, 4 sunny, and 2 partly cloudy days in January. The rains are usually light. January as well as February, March, April, and May is considered the most uncomfortable time to visit Puerto Natales.