Trenton, NJ has a humid subtropical climate which is characterized by hot, humid summers and generally mild winters. Locals experience four distinct seasons with temperatures ranging from lows of 28°F in January up to highs of 87°F in July. Precipitation is spread evenly throughout the year, averaging 46 inches annually. Thunderstorms can occur during the summer months while snowfall is typically light in the winter months. Additionally, humidity levels are usually high throughout the year, often reaching above 80%.
Trenton (zip 08609), New Jersey gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Trenton (zip 08609) 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 Trenton (zip 08609). The US average is 205 sunny days.
Trenton (zip 08609) 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 48 inches of rain a year
Snow: averages 19 inches of snow a year