Green Brook, NJ has a humid continental climate with hot, humid summers and cold to mild winters. The average temperature in the summer ranges from the mid 70s to the high 80s, while winter temperatures generally range from the 30s to the mid 40s. Precipitation is evenly distributed throughout the year, averaging around 45 inches annually. Snowfall is common in winter and can vary from light dustings to heavy storms depending upon the season.
Green Brook, New Jersey gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Green Brook averages 23 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Green Brook. The US average is 205 sunny days.
Green Brook gets some kind of precipitation, on average, 117 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