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Silver Lake CDP (Cumberland County), NJ
Full City Profile · New Jersey · Salem County County
3.3
/5.0
B
Good
1,447
Population
1,012/sq mi density
$88,217
Median Income
$41,379 per capita
$304,800
Home Value
$249,881 Zillow
55°F
Avg Temperature
293 sunny days/yr
1,022
Violent Crime/100K
3,874 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.8 / 5.0
$88,217 median income, 0.0% unemployment
A+
Affordability
4.7 / 5.0
$304,800 home value, /mo rent
F
Safety
1.0 / 5.0
1,022 violent crimes/100K (169% above avg)
C+
Education
2.7 / 5.0
21.4% bachelor's degree or higher
Silver Lake CDP (Cumberland County) 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 47.7 inches. The area receives 11.8 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
33°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 54.9°F |
| 2% above US avg | |
| January Average | 33°F (1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 77 ft (23 m) |
| Area | 1.4 sq mi (3.7 km²) |
| Population Density | 1,012/sq mi |
| Coordinates | 39.4685°N, 75.2398°W |
| Timezone | America/New_York |
| County | Salem County County |
| Nearest Airport | Philadelphia International (PHL) 28 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 | — | — | 137 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 37 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 3.5 in | Coldest |
| February | 35°F (2°C) | 3.0 in | Driest |
| March | 43°F (6°C) | 4.1 in | |
| April | 52°F (11°C) | 3.7 in | |
| May | 62°F (17°C) | 4.0 in | |
| June | 71°F (22°C) | 3.4 in | |
| July | 77°F (25°C) | 4.1 in | Warmest |
| August | 75°F (24°C) | 4.1 in | Wettest |
| September | 68°F (20°C) | 3.8 in | |
| October | 57°F (14°C) | 3.2 in | |
| November | 47°F (8°C) | 3.3 in | |
| December | 38°F (3°C) | 3.6 in |
Silver Lake CDP (Cumberland County) has a seasonal temperature swing of 44°F / from 33°F in January to 77°F in July. Total annual precipitation is 43.8 inches, with August being the wettest month (4.1") and February the driest (3.0").