Annandale, NJ has a mild seasonal climate with warm and humid summers and cold winters. Average high temperatures in the summer months of June, July, and August reach between the mid-70s to low-80s Fahrenheit. Winter average highs range between the mid-30s up to the mid-40s Fahrenheit. Annual precipitation averages about 42 inches per year with snowfall averaging around 22 inches per season. The area typically experiences mild conditions during autumn and spring seasons as well.
Annandale, New Jersey gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Annandale averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Annandale. The US average is 205 sunny days.
Annandale gets some kind of precipitation, on average, 119 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 25 inches of snow a year