July in Punta-Arenas is the coldest month of the year. In July, the weather in Punta-Arenas is typically cold. Average daily high temperature in July is about 4 degrees above zero. On average, Punta-Arenas has 11 partly cloudy, 10 rainy, 6 sunny, and 4 cloudy days in July. The rains are usually moderate. July as well as January, February, March, and April is considered the most uncomfortable time to visit Punta-Arenas.