Denville, NJ enjoys a humid continental climate with four distinct seasons. In the summer the temperatures can reach up to the mid-80s Fahrenheit and in the winter it can dip to below freezing. Rainfall is abundant throughout the year, particularly in spring and summer when thunderstorms are common. Snowfall occurs mostly during the winter months, but can occur at other times of year as well. The region experiences relatively mild weather conditions year round, making Denville an ideal destination for outdoor activities all year long.
Denville, New Jersey gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Denville averages 31 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 Denville. The US average is 205 sunny days.
Denville gets some kind of precipitation, on average, 115 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 82 degrees
Winter Low: the January low is 18
Rain: averages 50 inches of rain a year
Snow: averages 31 inches of snow a year