July in Rochester is the sunniest and the warmest month of the year. In July, the weather in Rochester is typically warm. Average daily high temperature in July is about 25 degrees above zero. On average, Rochester has 18 sunny, 8 partly cloudy, and 5 rainy days in July. The rains are usually moderate. July as well as {{month_nom: February}}, and {{month_nom: February}} is considered the most comfortable time to visit Rochester.