Somerville, NJ enjoys a four-season climate with mild winters and warm summers. Average low temperatures in the winter months range from the mid-20s°F to the low 30s°F while average highs in summer months range from the upper 70s°F to the mid-80s°F. The area usually receives an annual precipitation of 42 inches and experiences about 88 days of sunshine per year. Snowfall is common in the winter, but not usually too severe, averaging around 21 inches annually.
Somerville, New Jersey gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Somerville averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 210 sunny days per year in Somerville. The US average is 205 sunny days.
Somerville gets some kind of precipitation, on average, 117 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 86 degrees
Winter Low: the January low is 20
Rain: averages 47 inches of rain a year
Snow: averages 23 inches of snow a year