August in Poá is the sunniest month of the year. In August, the weather in Poá is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Poá has 14 sunny, 9 partly cloudy, 7 rainy, and 1 cloudy day in August. The rains are usually moderate. August as well as June and July is considered the most comfortable time to visit Poá.