Sparta, NJ has a humid continental climate with warm and humid summers and cold winters. During the summer months, temperatures reach highs in the mid-80s Fahrenheit while at night they cool down to 65°F or lower. Winters are typically much colder with snowfall being common from December through March. Average precipitation for Sparta is around 40 inches throughout the year, making it a wetter than average region for New Jersey.
Sparta, New Jersey gets 52 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sparta averages 33 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 Sparta. The US average is 205 sunny days.
Sparta gets some kind of precipitation, on average, 116 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 83 degrees
Winter Low: the January low is 17
Rain: averages 52 inches of rain a year
Snow: averages 33 inches of snow a year