Mercerville, NJ has a humid subtropical climate with hot summers and mild winters. Temperatures usually range between 30掳F in the winter to 90掳F in the summer. The average amount of precipitation in Mercerville is around 45 inches per year, with an average of 226 sunny days each year. The city experiences all four seasons throughout the year, with spring being the wettest season and summer being the hottest and driest season.
Mercerville, New Jersey gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mercerville averages 19 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Mercerville. The US average is 205 sunny days.
Mercerville gets some kind of precipitation, on average, 120 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 85 degrees
Winter Low: the January low is 22
Rain: averages 47 inches of rain a year
Snow: averages 19 inches of snow a year