Other facts from our historical weather data: Which is the warmest month in Punta Arenas? February has an average maximum temperature of 14°C (57°F) and is the warmest month of the year. Which is the coldest month in Punta Arenas? The coldest month is July with an average maximum temperature of 6°C (43°F). Which is the wettest month in Punta Arenas? April tops the wettest month list with 76mm (3 in) of rainfall. Which is the driest month in Punta Arenas? September is the driest month with 48mm (1.9 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.