If you're looking for summer vibes, the best time to travel to Bar Harbor, ME is in July, August and June, when the average temperature reaches 20.19 °C, while March, January and February are the 3 sunniest months of the year, with an average of 27.76 hours.
However, if you prefer colder temperatures, make sure you visit Bar Harbor, ME during January, February or December to experience an average of -4.76 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during February, March and January, when the average precipitation in Bar Harbor, ME is 3.4 mm, while the months of January, February and March are drier, with an average of 0 mm.