Jamesburg, NJ has a humid continental climate with warm summers and cold winters. The average summer temperature is around 75 degrees Fahrenheit while the average winter temperature is around 30 degrees Fahrenheit. Precipitation in Jamesburg is generally moderate throughout the year, with around 45 inches of rain per year spread out over four distinct seasons. Snowfall is limited due to the temperate climate, but some snow can occur during the winter months. The area experiences mild winds throughout the year, with an average wind speed of about 10 mph.
Jamesburg, New Jersey gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jamesburg averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Jamesburg. The US average is 205 sunny days.
Jamesburg gets some kind of precipitation, on average, 122 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 86 degrees
Winter Low: the January low is 22
Rain: averages 48 inches of rain a year
Snow: averages 23 inches of snow a year