Other facts from our historical weather data: Which months have the greatest rainfall in Puerto Natales? Most rainfall (rainy season) is seen in January, April, November and December. Which is the warmest month in Puerto Natales? February has an average maximum temperature of 15°C (59°F) and is the warmest month of the year. Which is the coldest month in Puerto Natales? The coldest month is July with an average maximum temperature of 4°C (39°F). Which is the wettest month in Puerto Natales? December tops the wettest month list with 159mm (6.3 in) of rainfall. Which is the driest month in Puerto Natales? July is the driest month with 103mm (4.1 in) of precipitation. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.