The best time to go to Bangor, Maine, is during the summer months, from June to August, and the early fall, specifically September and early October.During the summer, the weather is pleasantly warm, with average temperatures ranging from the mid-60s to mid-70s Fahrenheit. This period is ideal for outdoor activities, including exploring the Bangor City Forest trails, kayaking on the Penobscot River, or visiting the nearby Acadia National Park. Families will appreciate the comfortable conditions for sightseeing and various events like the American Folk Festival.Early fall offers crisp, cooler weather and the spectacular display of fall foliage. Temperatures typically range from the 50s to 60s Fahrenheit. This is a wonderful time for couples to enjoy scenic drives through the countryside, visit apple orchards, or attend local harvest festivals.