New Jersey weather in May: Statewide normals and every place, NOAA 1991-2020
In May, New Jersey's statewide normal high is 72°F and normal low 50°F; normal highs run from 68°F in Long Branch to 76°F in Belleplain (NOAA 1991-2020 normals).
- Statewide normal high
- 72°FMay, 1991-2020
- Statewide normal low
- 50°FMay, 1991-2020
- Statewide normal precipitation
- 3.75 inMay
- Warmest place
- 76°Fnormal high, Belleplain
- Coolest place
- 68°Fnormal high, Long Branch
Where is New Jersey warmest and wettest in May?
Belleplain has the warmest May afternoons (76°F) and Long Branch the coolest (68°F). Harrison gets the most precipitation (4.36 in) and Millville the least (3.12 in).
Statewide, May averaged 60.8°F in 2021, 63.2°F in 2022, 59.3°F in 2023, 63.7°F in 2024, 62.0°F in 2025, 61.7°F in 2026, against a 1991-2020 normal of 61.2°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Newark | 73°F | 54°F | 3.97 | 0.0 |
| Toms River | 71°F | 49°F | 3.58 | – |
| Trenton | 72°F | 52°F | 3.99 | 0.0 |
| New Brunswick | 72°F | 51°F | 4.03 | 0.0 |
| Plainfield | 75°F | 51°F | 4.01 | 0.0 |
| Atlantic City | 73°F | 51°F | 3.34 | 0.0 |
| Long Branch | 68°F | 51°F | 4.13 | – |
| Millville | 73°F | 50°F | 3.12 | – |
| Glassboro | 73°F | 52°F | – | – |
| Harrison | 72°F | 54°F | 4.36 | 0.0 |
| Phillipsburg | 72°F | 49°F | 4.27 | – |
| Hammonton | 73°F | 51°F | 3.54 | 0.0 |
| Moorestown-Lenola | 75°F | 52°F | 3.64 | – |
| Somerville | 73°F | 48°F | 3.54 | – |
| Freehold | 72°F | 51°F | 3.81 | – |
| Wanaque | 71°F | 50°F | 3.58 | – |
| Caldwell | 72°F | 51°F | 3.39 | – |
| Boonton | 71°F | 49°F | 3.95 | – |
| Newton | 70°F | 48°F | – | – |
| Hightstown | 73°F | 48°F | 4.07 | 0.0 |
| Flemington | 72°F | 49°F | 4.28 | 0.0 |
| Lambertville | 74°F | 49°F | 4.32 | 0.0 |
| Woodstown | 76°F | 51°F | 3.23 | 0.0 |
| Cape May | 71°F | 54°F | 3.55 | 0.0 |
| Belvidere | 71°F | 46°F | 4.08 | 0.0 |
| Essex Fells | 72°F | 49°F | 4.04 | – |
| Sussex | 71°F | 47°F | 3.73 | – |
| Cranford | 72°F | 53°F | 4.20 | 0.0 |
| Estell Manor | 73°F | 51°F | 3.52 | 0.0 |
| Seabrook Farms | 73°F | 52°F | 3.61 | 0.0 |
| Belleplain | 76°F | 49°F | – | – |
| Andover | 71°F | 48°F | 3.83 | – |
| Teterboro | 73°F | 53°F | 3.94 | – |
| Brant Beach-Beach Haven | 67°F | 53°F | 2.59 | 0.0 |
| Canoe Brook | 72°F | 50°F | 4.05 | 0.0 |
| Charlotteburg Reservoir | 70°F | 48°F | 4.01 | – |
| Indian Mills (2 mi W) | 74°F | 50°F | 3.76 | 0.0 |
| Little Falls | 73°F | 51°F | – | – |
| Margate | 70°F | 55°F | – | – |
| Mount Holly S Jersey Airport | 73°F | 51°F | 2.95 | – |
| Pennsauken (1 mi N) | 73°F | 52°F | 3.88 | – |
| Philadelphia/Mount Holly Weather Office | 72°F | 51°F | 3.63 | 0.0 |
| Wertsville (4 mi NE) | 71°F | 50°F | 4.35 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.