July in Puerto Varas is the coldest month of the year. In July, the weather in Puerto Varas is typically cold. Average daily high temperature in July is about 9 degrees above zero. On average, Puerto Varas has 25 rainy, 5 sunny, and 1 cloudy day in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Puerto Varas.