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Alloway, NJ
Full City Profile · New Jersey · Salem County County
3.5
/5.0
B+
Good
1,473
Population
215/sq mi density
$138,260
Median Income
$51,647 per capita
$282,500
Home Value
$283,168 Zillow
56°F
Avg Temperature
293 sunny days/yr
115
Violent Crime/100K
2,271 property/100K
B+
Overall
3.5 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$138,260 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$282,500 home value, /mo rent
F
Safety
1.0 / 5.0
115 violent crimes/100K
B
Education
3.1 / 5.0
25.8% bachelor's degree or higher
Alloway 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 46.6 inches. The area receives 13.3 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
34°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 7.1 sq mi (18.4 km²) |
| Population Density | 215/sq mi |
| Coordinates | 39.5616°N, 75.3453°W |
| Timezone | America/New_York |
| County | Salem County County |
| Nearest Airport | Philadelphia International (PHL) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.5 / 100 |
| Social Vulnerability | 27.4 / 100 |
| Community Resilience | 89.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very 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 | — | — | 129 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 29 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) | 3.7 in | |
| May | 62°F (17°C) | 4.2 in | |
| June | 71°F (22°C) | 3.7 in | |
| July | 77°F (25°C) | 4.4 in | Warmest, Wettest |
| August | 74°F (24°C) | 4.1 in | |
| September | 68°F (20°C) | 4.1 in | |
| October | 56°F (14°C) | 3.2 in | |
| November | 47°F (8°C) | 3.4 in | |
| December | 37°F (3°C) | 3.6 in |
Alloway has a seasonal temperature swing of 43°F / from 34°F in February to 77°F in July. Total annual precipitation is 44.8 inches, with July being the wettest month (4.4") and February the driest (2.9").