July weather forecast in Bar Harbor

July in Bar Harbor is the warmest month of the year. In July, the weather in Bar Harbor is typically warm. Average daily high temperature in July is about 21 degrees above zero. On average, Bar Harbor has 15 partly cloudy, 10 sunny, 4 rainy, and 2 cloudy days in July. The rains are usually moderate. July as well as August is considered the most comfortable time to visit Bar Harbor.