All Countries
Blawenburg, NJ
Full City Profile · New Jersey · Mercer County County
3.3
/5.0
B
Good
92
Population
151/sq mi density
$250,001
Median Income
$194,838 per capita
53°F
Avg Temperature
271 sunny days/yr
69
Violent Crime/100K
926 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$250,001 median income, 14.1% unemployment
F
Safety
1.0 / 5.0
69 violent crimes/100K
A+
Education
5.0 / 5.0
85.9% bachelor's degree or higher
Blawenburg experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 271 sunny days per year. Annual precipitation totals 51.0 inches. The area receives 23.9 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 52.5°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 94 ft (29 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 151/sq mi |
| Coordinates | 40.4026°N, 74.6986°W |
| Timezone | America/New_York |
| County | Mercer County County |
| Nearest Airport | Central Jersey Regional (JVI) 10 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0450 ppm |
| PM2.5 (Fine Particles) | 9.6 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.4 / 100 |
| Social Vulnerability | 46.9 / 100 |
| Community Resilience | 70.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Low |
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 | — | 142 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 33 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 79 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.8 in | Coldest |
| February | 31°F (-0°C) | 3.0 in | Driest |
| March | 40°F (4°C) | 4.0 in | |
| April | 50°F (10°C) | 4.1 in | |
| May | 60°F (15°C) | 4.6 in | |
| June | 68°F (20°C) | 4.1 in | |
| July | 75°F (24°C) | 4.9 in | Warmest, Wettest |
| August | 72°F (22°C) | 4.5 in | |
| September | 65°F (18°C) | 4.3 in | |
| October | 54°F (12°C) | 3.6 in | |
| November | 44°F (7°C) | 3.9 in | |
| December | 34°F (1°C) | 3.8 in |
Blawenburg has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 48.4 inches, with July being the wettest month (4.9") and February the driest (3.0").