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Sweetwater, NJ
Full City Profile · New Jersey · Atlantic County County
3.6
/5.0
B+
Good
805
Population
225/sq mi density
$104,191
Median Income
$38,367 per capita
$521,500
Home Value
$328,221 Zillow
55°F
Avg Temperature
293 sunny days/yr
518
Violent Crime/100K
1,837 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$104,191 median income, 4.7% unemployment
B+
Affordability
3.9 / 5.0
$521,500 home value, /mo rent
F
Safety
1.0 / 5.0
518 violent crimes/100K (36% above avg)
A+
Education
5.0 / 5.0
52.0% bachelor's degree or higher
Sweetwater experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 33°F in January while summers reach 77°F in July. The area gets 293 sunny days per year. Annual precipitation totals 47.5 inches. The area receives 19.0 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
33°F Jan (0°C)
77°F Jul (25°C)
| Annual Average | 54.6°F |
| 1% above US avg | |
| January Average | 33°F (0°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 25 ft (8 m) |
| Area | 3.7 sq mi (9.7 km²) |
| Population Density | 225/sq mi |
| Coordinates | 39.6134°N, 74.6508°W |
| Timezone | America/New_York |
| County | Atlantic County County |
| Nearest Airport | Atlantic City International (ACY) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0381 ppm |
| SO₂ (Sulfur Dioxide) | 0.00 ppb |
| PM2.5 (Fine Particles) | 7.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.0 / 100 |
| Social Vulnerability | 46.5 / 100 |
| Community Resilience | 83.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| 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 | — | — | 119 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 51 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (0°C) | 3.6 in | Coldest |
| February | 35°F (1°C) | 3.0 in | Driest |
| March | 42°F (6°C) | 4.1 in | |
| April | 51°F (11°C) | 3.7 in | |
| May | 61°F (16°C) | 3.5 in | |
| June | 69°F (21°C) | 3.1 in | |
| July | 77°F (25°C) | 3.9 in | Warmest |
| August | 74°F (23°C) | 4.5 in | Wettest |
| September | 67°F (19°C) | 3.3 in | |
| October | 56°F (13°C) | 3.1 in | |
| November | 47°F (8°C) | 3.5 in | |
| December | 38°F (3°C) | 3.5 in |
Sweetwater has a seasonal temperature swing of 44°F / from 33°F in January to 77°F in July. Total annual precipitation is 42.9 inches, with August being the wettest month (4.5") and February the driest (3.0").