02660 South Dennis, MA experiences a humid continental climate with mild summers and cold winters. It has an average temperature of 43掳F during the winter months and 76掳F during the summer months. The area receives around 43 inches of precipitation annually, which is evenly distributed throughout the year. Snowfall averages around 44 inches per year. In general, the area has four distinct seasons that offer a variety of activities for residents to enjoy throughout the year.
South Dennis (zip 02660), Massachusetts gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Dennis (zip 02660) averages 26 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in South Dennis (zip 02660). The US average is 205 sunny days.
South Dennis (zip 02660) gets some kind of precipitation, on average, 106 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 23
Rain: averages 46 inches of rain a year
Snow: averages 26 inches of snow a year