Located on the Atlantic coast, New Jersey enjoys a temperate annual average temperature of 52 degrees Fahrenheit. January is the coldest month; July has the warmest days.
The state of New Jersey began keeping statewide temperature records in 1895. The mean annual temperature for the state between 1895 and 2010 was 52.2 degrees Fahrenheit.
Average temperatures for December, January and February are 34.3 F, 30.7 F and 31.4 F.
Average temperatures for March, April and May are 40 F, 50 F and 60.3 F.
Average temperatures for June, July and August are 69.2 F, 74.1 F and 72.4 F.
Mean temperatures for September, October and November are 65.1 F, 54.7 F and 44.3 F.
