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Rockleigh, NJ
Full City Profile · New Jersey · Westchester County County
3.1
/5.0
B
Good
519
Population
519/sq mi density
$166,875
Median Income
$57,787 per capita
$2,000,001
Home Value
$872,831 Zillow
53°F
Avg Temperature
271 sunny days/yr
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$166,875 median income, 0.0% unemployment
F
Affordability
1.0 / 5.0
$2,000,001 home value, /mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A
Education
4.0 / 5.0
37.6% bachelor's degree or higher
Rockleigh experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 31°F in January while summers reach 75°F in July. The area gets 271 sunny days per year. Annual precipitation totals 51.2 inches. The area receives 32.7 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
31°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 53.4°F |
| 1% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 45 ft (14 m) |
| Area | 1.0 sq mi (2.5 km²) |
| Population Density | 519/sq mi |
| Coordinates | 41.0002°N, 73.9341°W |
| Timezone | America/New_York |
| County | Westchester County County |
| Nearest Airport | Laguardia (LGA) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0418 ppm |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 96.2 / 100 |
| Social Vulnerability | 47.4 / 100 |
| Community Resilience | 77.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Relatively Moderate |
| Coastal Flood | Relatively Moderate |
| 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 | — | 74 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 88 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-0°C) | 3.7 in | |
| February | 31°F (-0°C) | 3.0 in | Coldest, Driest |
| March | 39°F (4°C) | 4.0 in | |
| April | 49°F (10°C) | 4.3 in | |
| May | 60°F (15°C) | 4.5 in | Wettest |
| June | 69°F (20°C) | 3.9 in | |
| July | 75°F (24°C) | 4.3 in | Warmest |
| August | 73°F (23°C) | 4.1 in | |
| September | 65°F (18°C) | 4.3 in | |
| October | 54°F (12°C) | 3.8 in | |
| November | 45°F (7°C) | 4.3 in | |
| December | 35°F (2°C) | 3.7 in |
Rockleigh has a seasonal temperature swing of 44°F / from 31°F in February to 75°F in July. Total annual precipitation is 47.6 inches, with May being the wettest month (4.5") and February the driest (3.0").