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Seaside Heights, NJ
Full City Profile · New Jersey · Ocean County County
2.6
/5.0
C+
Fair
1,992
Population
3,213/sq mi density
$58,988
Median Income
$39,295 per capita
$376,700
Home Value
$701,196 Zillow
$1,429
Median Rent
51.0% income on rent
53°F
Avg Temperature
290 sunny days/yr
414
Violent Crime/100K
5,720 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.8 / 5.0
$58,988 median income, 3.5% unemployment
B
Affordability
3.1 / 5.0
$376,700 home value, $1,429/mo rent
F
Safety
1.0 / 5.0
414 violent crimes/100K (9% above avg)
B+
Education
3.6 / 5.0
32.3% bachelor's degree or higher
Seaside Heights experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 32°F in January while summers reach 75°F in July. The area gets 290 sunny days per year. Annual precipitation totals 52.0 inches. Air quality is rated Good with a median AQI of 39.
Temperature
32°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 32°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 4 ft (1 m) |
| Area | 0.8 sq mi (1.9 km²) |
| Population Density | 3,213/sq mi |
| Coordinates | 39.9449°N, 74.0783°W |
| Timezone | America/New_York |
| County | Ocean County County |
| Nearest Airport | South Jersey Regional (LLY) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0460 ppm |
| PM2.5 (Fine Particles) | 8.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.2 / 100 |
| Social Vulnerability | 48.6 / 100 |
| Community Resilience | 90.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Very 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 | - | 126 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 105 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 97 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (-0°C) | 3.6 in | Coldest |
| February | 34°F (1°C) | 3.2 in | Driest |
| March | 41°F (5°C) | 4.1 in | |
| April | 50°F (10°C) | 3.8 in | |
| May | 60°F (15°C) | 3.7 in | |
| June | 69°F (20°C) | 3.3 in | |
| July | 75°F (24°C) | 3.9 in | Warmest |
| August | 74°F (23°C) | 4.6 in | Wettest |
| September | 67°F (20°C) | 3.5 in | |
| October | 56°F (14°C) | 3.2 in | |
| November | 47°F (9°C) | 3.8 in | |
| December | 38°F (3°C) | 3.7 in |
Seaside Heights has a seasonal temperature swing of 43°F / from 32°F in January to 75°F in July. Total annual precipitation is 44.5 inches, with August being the wettest month (4.6") and February the driest (3.2").