Swansea, MA has a mild climate with warm summers and cool winters. Average high temperatures in the summer months range from the mid-70s to the upper 80s Fahrenheit while winter temperatures dip to around 30 degrees. Precipitation is spread fairly evenly throughout the year, with most of it falling in the form of rain during spring and autumn months. The area also experiences moderate amounts of annual snowfall between November and March. On average, Swansea receives around 44 inches of snow each year.
Swansea, Massachusetts gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Swansea averages 33 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 Swansea. The US average is 205 sunny days.
Swansea gets some kind of precipitation, on average, 124 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 21
Rain: averages 48 inches of rain a year
Snow: averages 33 inches of snow a year