August in Coronel Oviedo is the sunniest month of the year. In August, the weather in Coronel Oviedo is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Coronel Oviedo has 18 sunny, 11 partly cloudy, and 2 rainy days in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Coronel Oviedo.