August in Thargomindah is the sunniest month of the year. In August, the weather in Thargomindah is typically warm. Average daily high temperature in August is about 22 degrees above zero. On average, Thargomindah has 26 sunny, 3 partly cloudy, and 2 rainy days in August. The rains are usually light. August as well as May is considered the most comfortable time to visit Thargomindah.