Folsom, NJ has a humid continental climate with warm summers and cold winters. Average highs in summer range from the low 80s to the high 70s, while average lows range from the low 60s to mid 50s. Winter temperatures can drop well below freezing, with average highs ranging from the mid-30s to the low 40s and overnight lows falling into the teens or lower. The area receives about 45 inches of rain per year and occasional snowfall in winter months.
Folsom, New Jersey gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Folsom averages 19 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 207 sunny days per year in Folsom. The US average is 205 sunny days.
Folsom 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 87 degrees
Winter Low: the January low is 23
Rain: averages 46 inches of rain a year
Snow: averages 19 inches of snow a year