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Sussex, NJ
Full City Profile · New Jersey · Sussex County County
3.7
/5.0
B+
Good
2,004
Population
3,397/sq mi density
$72,601
Median Income
$49,853 per capita
$258,400
Home Value
$435,141 Zillow
$1,422
Median Rent
29.2% income on rent
50°F
Avg Temperature
275 sunny days/yr
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$72,601 median income, 0.9% unemployment
A+
Affordability
4.7 / 5.0
$258,400 home value, $1,422/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
B
Education
3.0 / 5.0
25.2% bachelor's degree or higher
Sussex experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. The area gets 275 sunny days per year. Annual precipitation totals 41.0 inches. Air quality is rated Good with a median AQI of 39.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 425 ft (130 m) |
| Area | 0.6 sq mi (1.5 km²) |
| Population Density | 3,397/sq mi |
| Coordinates | 41.2088°N, 74.6082°W |
| Timezone | America/New_York |
| County | Sussex County County |
| Nearest Airport | New York Stewart International (SWF) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.5 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 84.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 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 | - | 135 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 65 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.5 in | Coldest |
| February | 27°F (-3°C) | 3.0 in | Driest |
| March | 37°F (3°C) | 3.8 in | |
| April | 47°F (9°C) | 4.1 in | |
| May | 58°F (14°C) | 4.5 in | Wettest |
| June | 66°F (19°C) | 4.3 in | |
| July | 72°F (22°C) | 4.4 in | Warmest |
| August | 70°F (21°C) | 4.1 in | |
| September | 62°F (17°C) | 4.3 in | |
| October | 51°F (11°C) | 3.6 in | |
| November | 41°F (5°C) | 4.1 in | |
| December | 31°F (-1°C) | 3.6 in |
Sussex has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in July. Total annual precipitation is 47.3 inches, with May being the wettest month (4.5") and February the driest (3.0").