July in El Bolson is the coldest month of the year. In July, the weather in El Bolson is typically cold. Average daily high temperature in July is about 3 degrees above zero. On average, El Bolson has 22 rainy, 5 cloudy, and 4 sunny days in July. The rains are usually heavy. July as well as May, June, August, and September is considered the most uncomfortable time to visit El Bolson.