You might spend a lot of your holiday inside, but if you want to see more of the area, looking at local weather trends is a good idea. The hottest months are usually January and February, with an average temperature of 14°C, while the coldest months are July and August, with an average of 7°C. The rainiest months in Puerto Varas are June, August, July and May, with each month seeing an average of 286 mm of rainfall.