In April, the weather in El Chalten is typically cold. Average daily high temperature in April is about 3 degrees above zero. On average, El Chalten has 10 cloudy, 9 partly cloudy, 7 rainy, 3 snowy, and 1 sunny day in April. The rains are usually heavy. April as well as January, February, March, and October is considered the most uncomfortable time to visit El Chalten.