July weather forecast in Oshawa

July in Oshawa is the sunniest and the warmest month of the year. In July, the weather in Oshawa is typically warm. Average daily high temperature in July is about 24 degrees above zero. On average, Oshawa has 16 sunny, 8 rainy, and 7 partly cloudy days in July. The rains are usually moderate. July as well as August is considered the most comfortable time to visit Oshawa.