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Greentree, NJ
Full City Profile · New Jersey · Camden County County
4.9
/5.0
A+
Excellent
11,024
Population
2,371/sq mi density
$144,426
Median Income
$69,615 per capita
$419,800
Home Value
$369,343 Zillow
$2,269
Median Rent
30.1% income on rent
56°F
Avg Temperature
293 sunny days/yr
A+
Overall
4.9 / 5.0
Strong
A+
Economy
4.8 / 5.0
$144,426 median income, 3.3% unemployment
A+
Affordability
5.0 / 5.0
$419,800 home value, $2,269/mo rent
A+
Education
5.0 / 5.0
72.1% bachelor's degree or higher
Greentree enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 77°F in July. The area gets 293 sunny days per year. Annual precipitation totals 49.3 inches. Air quality is rated Good with a median AQI of 39.
Temperature
34°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 55.8°F |
| 3% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 90 ft (27 m) |
| Area | 4.7 sq mi (12.1 km²) |
| Population Density | 2,371/sq mi |
| Coordinates | 39.8987°N, 74.9617°W |
| Timezone | America/New_York |
| County | Camden County County |
| Nearest Airport | South Jersey Regional (LLY) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0457 ppm |
| NO₂ (Nitrogen Dioxide) | 17.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.46 ppb |
| CO (Carbon Monoxide) | 0.27 ppm |
| PM2.5 (Fine Particles) | 9.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.2 / 100 |
| Social Vulnerability | 54.7 / 100 |
| Community Resilience | 67.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 86 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 23 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.6 in | |
| February | 34°F (1°C) | 2.9 in | Coldest, Driest |
| March | 43°F (6°C) | 4.1 in | |
| April | 52°F (11°C) | 3.9 in | |
| May | 62°F (17°C) | 4.2 in | |
| June | 71°F (22°C) | 3.7 in | |
| July | 77°F (25°C) | 4.6 in | Warmest |
| August | 74°F (24°C) | 4.7 in | Wettest |
| September | 67°F (20°C) | 3.9 in | |
| October | 56°F (13°C) | 3.4 in | |
| November | 46°F (8°C) | 3.6 in | |
| December | 37°F (3°C) | 3.7 in |
Greentree has a seasonal temperature swing of 43°F / from 34°F in February to 77°F in July. Total annual precipitation is 46.1 inches, with August being the wettest month (4.7") and February the driest (2.9").