Average Precipitation for New Jersey in May
The tables below give monthly averages for rainfall plus snowfall during May at cities and other locations in New Jersey.
Each place has a total for the amount of precipitation it usually receives this month. There is also a count of the number of days with wet weather, when precipitation amounts to 0.01 inches (0.25 millimetres) or more.
The precipitation totals are averages based on weather data collected from 1991 to 2020 for the NOAA National Climatic Data Center.
You can jump to a separate table for: North Jersey and South Jersey.
North Jersey
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 12 | Hightstown | 4.1 | 103 |
| 12 | Lambertville | 4.3 | 110 |
| 12 | Long Branch | 4.1 | 105 |
| 13 | New Brunswick | 4.0 | 102 |
| 11 | Newark | 4.0 | 101 |
| 11 | Plainfield | 4.0 | 102 |
| 12 | Somerville | 3.4 | 87 |
| 12 | Trenton | 4.0 | 101 |
| 12 | Wanaque Reservoir Dam | 3.6 | 91 |
South Jersey
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 11 | Atlantic City Marina | 3.1 | 79 |
| 9 | Beach Haven, Brant Beach | 2.6 | 66 |
| 11 | Bridgeton | 3.6 | 92 |
| 11 | Cape May | 3.6 | 90 |
| 12 | Hammonton | 3.5 | 90 |
| 11 | Millville | 3.1 | 79 |
| 11 | Moorestown | 3.6 | 92 |
| 9 | Toms River | 3.6 | 91 |
Reference
NOAA National Centers for Environmental Information (NCEI). Climate Normals.