In April, the weather in San-Carlos-de-Bariloche is typically warm. Average daily high temperature in April is about 11 degrees above zero. On average, San-Carlos-de-Bariloche has 11 rainy, 7 sunny, 6 cloudy, and 6 partly cloudy days in April. The rains are usually heavy. April as well as May, June, July, and August is considered the most uncomfortable time to visit San-Carlos-de-Bariloche.