Mount Holly, NJ has a humid subtropical climate with warm summers and moderate winters. On average, temperatures range from the mid-50s Fahrenheit in winter to the high 80s in summer. Rainfall is plentiful throughout the year, with an average of 48 inches per year. Snowfall is also common during the winter months, with an average of 18 inches each year. The humidity level can be high during the summer months, making those days rather uncomfortable.
Mount Holly, New Jersey gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mount Holly averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Mount Holly. The US average is 205 sunny days.
Mount Holly gets some kind of precipitation, on average, 120 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 88 degrees
Winter Low: the January low is 23
Rain: averages 47 inches of rain a year
Snow: averages 13 inches of snow a year