July in Whitianga is the windiest and the coldest month of the year. In July, the weather in Whitianga is typically warm. Average daily high temperature in July is about 12 degrees above zero. On average, Whitianga has 11 rainy, 11 sunny, and 9 partly cloudy days in July. The rains are usually moderate. July as well as June, August, and September is considered the most uncomfortable time to visit Whitianga.