Islesboro, ME has a moderate climate due to its location on the coast of Maine. Average temperatures in the summer are around 75 degrees Fahrenheit during the day and drop to about 50 degrees at night. Winters are cold with temperatures averaging around 30 degrees, with the occasional snowfall. The area gets about 40 inches of rain annually with most of it falling from late September to May.
Islesboro, Maine gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Islesboro averages 59 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Islesboro. The US average is 205 sunny days.
Islesboro gets some kind of precipitation, on average, 109 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 77 degrees
Winter Low: the January low is 8
Rain: averages 49 inches of rain a year
Snow: averages 59 inches of snow a year