Portland, ME has a humid continental climate with cool summers and cold winters. Winters in Portland are generally cold and snowy, with average temperatures ranging from 20-30 degrees Fahrenheit. Summers are mild and cool, with temperatures typically between 50-70 degrees Fahrenheit. The city is also known for its high amount of precipitation throughout the year, averaging around 48 inches annually. Spring and fall months usually bring moderate weather with temperatures ranging from 40-60 degrees Fahrenheit.
Portland, Maine gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Portland averages 61 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Portland. The US average is 205 sunny days.
Portland gets some kind of precipitation, on average, 128 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 79 degrees
Winter Low: the January low is 11
Rain: averages 49 inches of rain a year
Snow: averages 61 inches of snow a year