All Countries
Riverton, NJ
Full City Profile · New Jersey · Philadelphia County County
4.3
/5.0
A
Great
2,771
Population
4,198/sq mi density
$126,818
Median Income
$54,174 per capita
$354,900
Home Value
$454,012 Zillow
$1,409
Median Rent
26.9% income on rent
56°F
Avg Temperature
275 sunny days/yr
A
Overall
4.3 / 5.0
Strong
A+
Economy
4.9 / 5.0
$126,818 median income, 2.4% unemployment
A+
Affordability
5.0 / 5.0
$354,900 home value, $1,409/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
4.9 / 5.0
49.2% bachelor's degree or higher
Riverton enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 79°F in July. The area gets 275 sunny days per year. Annual precipitation totals 45.0 inches. Air quality is rated Good with a median AQI of 39.
Temperature
34°F Jan (1°C)
79°F Jul (26°C)
| Annual Average | 56.4°F |
| 4% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 4,198/sq mi |
| Coordinates | 40.0119°N, 75.0147°W |
| Timezone | America/New_York |
| County | Philadelphia County County |
| Nearest Airport | South Jersey Regional (LLY) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0428 ppm |
| NO₂ (Nitrogen Dioxide) | 18.7 ppb |
| SO₂ (Sulfur Dioxide) | 0.54 ppb |
| CO (Carbon Monoxide) | 0.38 ppm |
| PM2.5 (Fine Particles) | 11.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.6 / 100 |
| Social Vulnerability | 88.1 / 100 |
| Community Resilience | 48.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Relatively High |
| Wildfire | Very Low |
| Flood | Very High |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Very High |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Very High |
| Landslide | Relatively Low |
| Coastal Flood | Relatively High |
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 | — | — | 74 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 28 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.5 in | |
| February | 34°F (1°C) | 2.8 in | Coldest, Driest |
| March | 42°F (6°C) | 3.9 in | |
| April | 52°F (11°C) | 3.9 in | |
| May | 62°F (17°C) | 4.4 in | |
| June | 71°F (22°C) | 3.7 in | |
| July | 79°F (26°C) | 4.5 in | Warmest, Wettest |
| August | 74°F (24°C) | 4.5 in | |
| September | 67°F (20°C) | 3.9 in | |
| October | 56°F (13°C) | 3.2 in | |
| November | 46°F (8°C) | 3.7 in | |
| December | 36°F (2°C) | 3.6 in |
Riverton has a seasonal temperature swing of 45°F / from 34°F in February to 79°F in July. Total annual precipitation is 45.7 inches, with July being the wettest month (4.5") and February the driest (2.8").