Edison, NJ has a humid subtropical climate with hot and humid summers and cold winters. During the summer months, temperatures can reach up to 80 degrees Fahrenheit during the day, while overnight temperatures usually reach down into the low 60s or even 50s. Winters are typically cold and wet, with daytime highs in the mid 40s and lows just below freezing. Rainfall is spread throughout the year, but is particularly heavy in late fall and winter. Snowfall also occurs during the winter months, though it tends to be light compared to other areas of New Jersey.
Edison, New Jersey gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Edison averages 24 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 Edison. The US average is 205 sunny days.
Edison 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 86 degrees
Winter Low: the January low is 22
Rain: averages 48 inches of rain a year
Snow: averages 24 inches of snow a year