South Plainfield, NJ enjoys a warm and mild climate throughout the year. Summers are hot and humid, with temperatures often reaching the mid to high 80s. Winters are usually cold but mild, with snowfall typically occurring from December through February. Spring and autumn months tend to be pleasant and mild, characterized by low humidity levels and moderate temperatures. Precipitation is distributed relatively evenly throughout the year, usually averaging around 45 inches annually.
South Plainfield, New Jersey gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.
South Plainfield averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in South Plainfield. The US average is 205 sunny days.
South Plainfield gets some kind of precipitation, on average, 118 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 49 inches of rain a year
Snow: averages 25 inches of snow a year