July in Copán Ruinas is the rainiest month of the year. In July, the weather in Copán Ruinas is typically warm. Average daily high temperature in July is about 23 degrees above zero. On average, Copán Ruinas has 31 rainy days in July. The rains are usually heavy. July as well as April, May, June, and August is considered the most uncomfortable time to visit Copán Ruinas.