Hammonton, NJ has a humid continental climate with moderate temperature differences between seasons. Summers in Hammonton are hot and humid with temperatures reaching as high as the low 90s. Winters can be cold, with temperatures reaching the 20s and 30s and occasional snowfall. Spring and fall are milder, but still quite unpredictable weather-wise, with temperatures ranging from the 50s to occasionally into the 70s. The area generally receives an average of 42 inches of rain per year.
Hammonton, New Jersey gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hammonton averages 20 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 207 sunny days per year in Hammonton. The US average is 205 sunny days.
Hammonton gets some kind of precipitation, on average, 109 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 86 degrees
Winter Low: the January low is 23
Rain: averages 46 inches of rain a year
Snow: averages 20 inches of snow a year