In July, the weather in Puerto Viejo de Sarapiquí is typically warm. Average daily high temperature in July is about 27 degrees above zero. On average, Puerto Viejo de Sarapiquí has 30 rainy and 1 partly cloudy day in July. The rains are usually heavy. July as well as January, April, May, and June is considered the most uncomfortable time to visit Puerto Viejo de Sarapiquí.