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Mystic Island, NJ
Full City Profile · New Jersey · Atlantic County County
3.1
/5.0
B
Good
7,616
Population
1,101/sq mi density
$71,917
Median Income
$44,525 per capita
$290,000
Home Value
$408,718 Zillow
$1,786
Median Rent
51.0% income on rent
55°F
Avg Temperature
293 sunny days/yr
118
Violent Crime/100K
1,713 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.0 / 5.0
$71,917 median income, 2.2% unemployment
A
Affordability
4.4 / 5.0
$290,000 home value, $1,786/mo rent
F
Safety
1.0 / 5.0
118 violent crimes/100K
C+
Education
3.0 / 5.0
24.4% bachelor's degree or higher
Mystic Island experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 34°F in January while summers reach 76°F in July. The area gets 293 sunny days per year. Annual precipitation totals 41.0 inches. The area receives 10.2 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
34°F Jan (1°C)
76°F Jul (25°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 6 ft (2 m) |
| Area | 7.7 sq mi (19.9 km²) |
| Population Density | 1,101/sq mi |
| Coordinates | 39.5656°N, 74.3824°W |
| Timezone | America/New_York |
| County | Atlantic County County |
| Nearest Airport | Atlantic City International (ACY) 13 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 | — | — | 130 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 75 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.7 in | Coldest |
| February | 34°F (1°C) | 3.1 in | |
| March | 42°F (5°C) | 4.3 in | |
| April | 51°F (10°C) | 3.9 in | |
| May | 60°F (16°C) | 3.5 in | |
| June | 69°F (21°C) | 3.1 in | Driest |
| July | 76°F (25°C) | 3.9 in | Warmest |
| August | 74°F (23°C) | 4.6 in | Wettest |
| September | 67°F (20°C) | 3.2 in | |
| October | 56°F (13°C) | 3.2 in | |
| November | 47°F (8°C) | 3.6 in | |
| December | 38°F (3°C) | 3.6 in |
Mystic Island has a seasonal temperature swing of 42°F / from 34°F in January to 76°F in July. Total annual precipitation is 43.6 inches, with August being the wettest month (4.6") and June the driest (3.1").