April in San Juan de los Morros is the cloudiest month of the year. In April, the weather in San Juan de los Morros is typically hot. Average daily high temperature in April is about 29 degrees above zero. On average, San Juan de los Morros has 19 rainy, 10 cloudy, and 1 sunny day 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 Juan de los Morros.