April in Copán Ruinas is the warmest month of the year. In April, the weather in Copán Ruinas is typically warm. Average daily high temperature in April is about 26 degrees above zero. On average, Copán Ruinas has 21 rainy, 5 sunny, 2 cloudy, and 2 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 Copán Ruinas.