In August, the weather in Calafate is typically cold. Average daily high temperature in August is about 2 degrees above zero. On average, Calafate has 14 partly cloudy, 7 cloudy, 6 sunny, 3 rainy, and 1 snowy day in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Calafate.