Hopatcong, NJ has a humid continental climate that includes warm and humid summers, cold and snowy winters, and short springs and autumns. The average temperature in the summer is around 75掳F (24掳C) and in the winter it drops to around 28掳F (-2掳C). Precipitation is frequent throughout the year with an average of 48 inches (122 cm). The area has four distinct seasons that bring snowstorms, rainstorms, thunderstorms, winds, hail storms and occasional tornadoes.
Hopatcong, New Jersey gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hopatcong averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 209 sunny days per year in Hopatcong. The US average is 205 sunny days.
Hopatcong gets some kind of precipitation, on average, 116 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 83 degrees
Winter Low: the January low is 17
Rain: averages 51 inches of rain a year
Snow: averages 34 inches of snow a year