Average Temperatures for New Jersey in December
Average temperatures for December at cities, towns, parks and lakes throughout New Jersey are listed below in degrees Fahrenheit and Celsius.
The tables give the normals for maximum and minimum monthly temperatures based on weather data collected from 1981 to 2010.
You can jump to a separate table for: North Jersey and South Jersey.
North Jersey
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 36 | 21 | High Point State Park | 2 | -6 |
| 44 | 27 | Hightstown | 7 | -3 |
| 45 | 23 | Lambertville | 7 | -5 |
| 46 | 29 | Long Branch | 8 | -2 |
| 44 | 30 | Newark | 6 | -1 |
| 44 | 27 | New Brunswick | 7 | -3 |
| 43 | 28 | Plainfield | 6 | -2 |
| 44 | 32 | Sandy Hook | 7 | 0 |
| 42 | 23 | Somerville | 6 | -5 |
| 43 | 28 | Trenton | 6 | -2 |
| 42 | 26 | Wanaque Reservoir Dam | 5 | -4 |
South Jersey
| High °F | Low °F | Place | High °C | Low °C |
|---|---|---|---|---|
| 46 | 34 | Atlantic City Marina | 8 | 1 |
| 45 | 32 | Beach Haven, Brant Beach | 7 | 0 |
| 46 | 26 | Belleplain State Forest | 8 | -4 |
| 47 | 32 | Cape May | 8 | 0 |
| 45 | 27 | Glassboro | 7 | -3 |
| 45 | 27 | Millville | 7 | -3 |
| 47 | 27 | Moorestown | 8 | -3 |
| 46 | 27 | Toms River | 8 | -3 |
Reference
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.