Deans, NJ
Full City Profile · New Jersey · Middlesex County County
4.9
/5.0
A+
Excellent
1,166
Population
1,041/sq mi density
$225,750
Median Income
$78,489 per capita
$712,700
Home Value
$642,502 Zillow
54°F
Avg Temperature
A+
Overall
4.9 / 5.0
Strong
A+
Economy
4.7 / 5.0
$225,750 median income, 3.9% unemployment
A+
Affordability
4.9 / 5.0
$712,700 home value, /mo rent
A+
Education
5.0 / 5.0
72.2% bachelor's degree or higher
Deans experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 32°F in January while summers reach 76°F in July. Annual precipitation totals 49.3 inches. The area receives 29.0 inches of snow annually. Air quality is rated Good with a median AQI of 36.
Temperature
32°F Jan (-0°C)
76°F Jul (25°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 32°F (-0°C) |
| July Average | 76°F (25°C) |
Geography
| Elevation | 73 ft (22 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 1,041/sq mi |
| Coordinates | 40.4032°N, 74.5153°W |
| Timezone | America/New_York |
| County | Middlesex County County |
| Nearest Airport | Central Jersey Regional (JVI) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 36.0 |
| Rating | Good |
| Good Days % | 78.4% |
| Unhealthy Days | 5 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0452 ppm |
| NO₂ (Nitrogen Dioxide) | 12.7 ppb |
| PM2.5 (Fine Particles) | 8.4 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.8 / 100 |
| Social Vulnerability | 47.4 / 100 |
| Community Resilience | 45.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively Moderate |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
3 tsunamis recorded within 500 km. Highest wave on record: 0.3 m (1 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1964 | LONG ISLAND, NY | Meteorological | 0.3 m | - | 127 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 43 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (-0°C) | 2.9 in | Coldest |
| February | 33°F (1°C) | 2.9 in | Driest |
| March | 41°F (5°C) | 4.5 in | |
| April | 52°F (11°C) | 4.3 in | |
| May | 61°F (16°C) | 3.9 in | |
| June | 71°F (22°C) | 4.8 in | |
| July | 76°F (25°C) | 5.1 in | Warmest, Wettest |
| August | 74°F (24°C) | 4.5 in | |
| September | 67°F (20°C) | 4.2 in | |
| October | 55°F (13°C) | 4.3 in | |
| November | 45°F (7°C) | 3.4 in | |
| December | 37°F (3°C) | 4.5 in |
Deans has a seasonal temperature swing of 45°F / from 32°F in January to 76°F in July. Total annual precipitation is 49.3 inches, with July being the wettest month (5.1") and February the driest (2.9").