Hanover, NJ has a humid continental climate with warm summers and cold winters. Average temperatures in the summer months range from 64 to 80 degrees Fahrenheit (18-27 Celsius), while average winter temperatures range from 20 to 40 degrees Fahrenheit (-7-4 Celsius). Precipitation is common throughout the year, with average annual levels ranging from 41-45 inches (105-115 cm). Snowfall typically begins in mid-November and continues until late March or early April. The area generally enjoys a low risk of severe weather due to its location in the coastal plain region of New Jersey.
Hanover, New Jersey gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hanover averages 26 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 Hanover. The US average is 205 sunny days.
Hanover 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 85 degrees
Winter Low: the January low is 20
Rain: averages 50 inches of rain a year
Snow: averages 26 inches of snow a year