Calais, ME has a humid continental climate with warm summers and cold winters. Average summer temperatures range from the mid-60s to the low-80s Fahrenheit while winter temperatures often drop below freezing. Precipitation is common throughout the year, with an average of about 3 inches per month. Snowfall amounts usually range from 10 to 20 inches per season. The area also experiences occasional bouts of high winds, which can be particularly strong during storms and along coastal areas.
Calais, Maine gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Calais averages 77 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 161 sunny days per year in Calais. The US average is 205 sunny days.
Calais gets some kind of precipitation, on average, 139 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 9
Rain: averages 48 inches of rain a year
Snow: averages 77 inches of snow a year