Muttontown, NY has a humid continental climate with warm summers and cold winters. During the summer months, temperatures range from mild to hot with plenty of humidity in the air. In the wintertime, temperatures can dip well below freezing with occasional snowfall. The area experiences an average of about 40 inches of annual rainfall which helps to moderate temperatures throughout the year.
Muttontown, New York gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Muttontown averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 174 sunny days per year in Muttontown. The US average is 205 sunny days.
Muttontown gets some kind of precipitation, on average, 123 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 83 degrees
Winter Low: the January low is 25
Rain: averages 46 inches of rain a year
Snow: averages 24 inches of snow a year