Harwich, MA has a humid continental climate with mild winters and warm summers. During the summer months, temperatures typically range from the mid-60s to the low 80s, while in the winter they range from the mid-20s to the low 40s. The town experiences high levels of precipitation throughout the year, with an average annual precipitation of 48 inches. Snowfall is common in winter and spring, but not in summer and fall. Overall, Harwich enjoys a moderate climate that is comfortable for residents and visitors alike.
Harwich, Massachusetts gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Harwich averages 25 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 Harwich. The US average is 205 sunny days.
Harwich gets some kind of precipitation, on average, 107 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 23
Rain: averages 48 inches of rain a year
Snow: averages 25 inches of snow a year