August in Pedro Juan Caballero is the sunniest month of the year. In August, the weather in Pedro Juan Caballero is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Pedro Juan Caballero has 22 sunny, 6 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Pedro Juan Caballero.