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Leonardo, NJ
Full City Profile · New Jersey · Monmouth County County
3.7
/5.0
B+
Good
2,342
Population
3,969/sq mi density
$122,216
Median Income
$50,202 per capita
$432,200
Home Value
$645,796 Zillow
$1,439
Median Rent
32.6% income on rent
54°F
Avg Temperature
271 sunny days/yr
138
Violent Crime/100K
1,565 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$122,216 median income, 2.7% unemployment
A+
Affordability
4.7 / 5.0
$432,200 home value, $1,439/mo rent
F
Safety
1.0 / 5.0
138 violent crimes/100K
A
Education
4.3 / 5.0
41.0% bachelor's degree or higher
Leonardo experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 33°F in January while summers reach 75°F in July. The area gets 271 sunny days per year. Annual precipitation totals 52.5 inches. Air quality is rated Good with a median AQI of 39.
Temperature
33°F Jan (1°C)
75°F Jul (24°C)
| Annual Average | 53.7°F |
| 1% below US avg | |
| January Average | 33°F (1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 3,969/sq mi |
| Coordinates | 40.4197°N, 74.0602°W |
| Timezone | America/New_York |
| County | Monmouth County County |
| Nearest Airport | Newark Liberty International (EWR) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0440 ppm |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.3 / 100 |
| Social Vulnerability | 15.8 / 100 |
| Community Resilience | 91.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively 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 | — | 91 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 75 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 33°F (1°C) | 3.8 in | |
| February | 33°F (1°C) | 3.2 in | Coldest, Driest |
| March | 41°F (5°C) | 4.1 in | |
| April | 51°F (10°C) | 4.0 in | |
| May | 60°F (16°C) | 4.3 in | |
| June | 69°F (21°C) | 3.5 in | |
| July | 75°F (24°C) | 4.5 in | Warmest |
| August | 73°F (23°C) | 4.6 in | Wettest |
| September | 66°F (19°C) | 4.0 in | |
| October | 55°F (13°C) | 3.6 in | |
| November | 46°F (8°C) | 4.0 in | |
| December | 37°F (3°C) | 3.8 in |
Leonardo has a seasonal temperature swing of 42°F / from 33°F in February to 75°F in July. Total annual precipitation is 47.4 inches, with August being the wettest month (4.6") and February the driest (3.2").