Dennis, NJ has a humid, subtropical climate with hot, humid summers and mild winters. The average temperature in the summer months is around 77 degrees Fahrenheit while the average winter temperature hovers around 41 degrees Fahrenheit. With an average of 47 inches of rain each year, the area experiences a fair amount of precipitation. Winters are generally mild and snowfall typically does not exceed 5 inches each year. The area also sees moderate amounts of sunshine throughout the year which makes it a great place to enjoy outdoor activities when weather permits.
Dennis, New Jersey gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dennis averages 15 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 Dennis. The US average is 205 sunny days.
Dennis gets some kind of precipitation, on average, 113 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 23
Rain: averages 45 inches of rain a year
Snow: averages 15 inches of snow a year