Southwest Harbor, ME is located on the eastern coast of America and has a warm, humid climate typical of the region. Summers in Southwest Harbor are generally sunny and warm with temperatures ranging from 70-80°F during the day, while nights can be cool with temperatures dropping into the 50s. Spring and Fall are milder, with temperatures typically in the 60s during the day and 40s at night. The winter months here tend to be cold and snowy, with temperatures dipping into the 20s during the day and teens at night. Snowfall can range from moderate to heavy depending on the year.
Southwest Harbor, Maine gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Southwest Harbor averages 67 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 194 sunny days per year in Southwest Harbor. The US average is 205 sunny days.
Southwest Harbor gets some kind of precipitation, on average, 120 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 78 degrees
Winter Low: the January low is 7
Rain: averages 47 inches of rain a year
Snow: averages 67 inches of snow a year