In August, the weather in Cachoeiro de Itapemirim is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Cachoeiro de Itapemirim has 22 sunny, 8 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as May and July is considered the most comfortable time to visit Cachoeiro de Itapemirim.