August in Noosa Heads is the sunniest month of the year. In August, the weather in Noosa Heads is typically warm. Average daily high temperature in August is about 20 degrees above zero. On average, Noosa Heads has 27 sunny, 3 rainy, and 1 partly cloudy day in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Noosa Heads.