August in Yandina is the sunniest month of the year. In August, the weather in Yandina is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Yandina has 19 rainy and 12 sunny days in August. The rains are usually heavy. August as well as January, February, March, and April is considered the most uncomfortable time to visit Yandina.