August in El Bolson is the rainiest month of the year. In August, the weather in El Bolson is typically cold. Average daily high temperature in August is about 4 degrees above zero. On average, El Bolson has 26 rainy, 4 sunny, and 1 cloudy day in August. The rains are usually heavy. August as well as May, June, July, and September is considered the most uncomfortable time to visit El Bolson.