Hillsborough, NJ has a humid subtropical climate, with warm summers and mild winters. The average high temperature in the summer is around 80 degrees Fahrenheit, with lows at night dropping to the mid-60s. During the winter months, temperatures usually stay above freezing during the day and dip below freezing point at night. Average yearly precipitation in Hillsborough is 43 inches per year, most of which falls between April and October. Precipitation can range from heavy snowfall in the mountain regions to light snow or rain further south. The area also receives an average of 230 sunny days each year.
Hillsborough township, New Jersey gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hillsborough township averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Hillsborough township. The US average is 205 sunny days.
Hillsborough township gets some kind of precipitation, on average, 119 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 85 degrees
Winter Low: the January low is 20
Rain: averages 48 inches of rain a year
Snow: averages 25 inches of snow a year