Rumson, NJ has a humid subtropical climate with mild winters and hot summers. Average temperatures range from about 40°F in the winter to around 80°F in the summer months. Precipitation is fairly evenly distributed throughout the year, but there are some seasonal variations in rainfall. Snowfall is relatively light during the winter months, with an average of 18 inches per year. Humidity levels remain high during most of the year, so it can be very uncomfortable at times. Overall, Rumson enjoys a pleasant climate that's suitable for outdoor activities all year round.
Rumson, New Jersey gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rumson averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 212 sunny days per year in Rumson. The US average is 205 sunny days.
Rumson 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 83 degrees
Winter Low: the January low is 26
Rain: averages 47 inches of rain a year
Snow: averages 25 inches of snow a year