March in Punta-Arenas is the rainiest month of the year. In March, the weather in Punta-Arenas is typically warm. Average daily high temperature in March is about 11 degrees above zero. On average, Punta-Arenas has 18 rainy, 10 cloudy, and 3 sunny days in March. The rains are usually moderate. March as well as January, February, April, and May is considered the most uncomfortable time to visit Punta-Arenas.