August in Waingapu is the windiest and the sunniest month of the year. In August, the weather in Waingapu is typically warm. Average daily high temperature in August is about 27 degrees above zero. On average, Waingapu has 17 sunny, 13 partly cloudy, and 1 rainy day in August. August as well as July is considered the most comfortable time to visit Waingapu.