In April, the weather in San Isidro de El General is typically warm. Average daily high temperature in April is about 25 degrees above zero. On average, San Isidro de El General has 23 rainy, 5 cloudy, and 2 sunny 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 Isidro de El General.