Sumner, ME has a humid continental climate with warm and humid summers and cold winters. Summer temperatures can reach into the mid-80s while winter temperatures can dip as low as -15 degrees Fahrenheit. The area receives an average of 60 inches of precipitation annually, with nearly half of that coming during the months of October through April. Snowfall amounts range from a few inches to around 20-30 inches per year, depending on location within Sumner. Overall, the climate in Sumner is mild and comfortable for most of the year, with volatile changes occurring in the spring and autumn months.
Sumner, Maine gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sumner averages 78 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 Sumner. The US average is 205 sunny days.
Sumner gets some kind of precipitation, on average, 129 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 78 inches of snow a year