Long Valley, NJ has a humid continental climate with warm, humid summers and cold winters. Average temperatures in the summer range from highs of around 80 degrees Fahrenheit (27 Celsius) to lows of around 60 degrees Fahrenheit (15 Celsius). Winter temperatures range from highs of around 40 degrees Fahrenheit (4 Celsius) to lows of around 20 degrees Fahrenheit (-7 Celsius). Precipitation is fairly evenly distributed throughout the year, with an average annual rainfall of 43 inches (109 cm). Snowfall usually occurs between late November and early April, averaging about 31 inches (79 cm), and can vary greatly from year to year.
Long Valley, New Jersey gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Long Valley averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 209 sunny days per year in Long Valley. The US average is 205 sunny days.
Long Valley gets some kind of precipitation, on average, 114 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 82 degrees
Winter Low: the January low is 17
Rain: averages 51 inches of rain a year
Snow: averages 32 inches of snow a year