July in Townsville is the coldest month of the year. In July, the weather in Townsville is typically warm. Average daily high temperature in July is about 22 degrees above zero. On average, Townsville has 15 sunny, 14 partly cloudy, and 2 rainy days in July. The rains are usually light. July as well as August, September, and October is considered the most comfortable time to visit Townsville.