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Peapack and Gladstone, NJ
Full City Profile · New Jersey · Somerset County County
4.1
/5.0
A
Great
2,547
Population
445/sq mi density
$184,231
Median Income
$102,494 per capita
$843,400
Home Value
$1,341,690 Zillow
$1,827
Median Rent
51.0% income on rent
53°F
Avg Temperature
275 sunny days/yr
A
Overall
4.1 / 5.0
Strong
A+
Economy
5.0 / 5.0
$184,231 median income, 0.9% unemployment
A
Affordability
4.1 / 5.0
$843,400 home value, $1,827/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
5.0 / 5.0
69.4% bachelor's degree or higher
Peapack and Gladstone 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 275 sunny days per year. Annual precipitation totals 45.5 inches. 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 | 275 days/yr |
Geography
| Elevation | 301 ft (92 m) |
| Area | 5.8 sq mi (14.9 km²) |
| Population Density | 445/sq mi |
| Coordinates | 40.7158°N, 74.6541°W |
| Timezone | America/New_York |
| County | Somerset County County |
| Nearest Airport | Central Jersey Regional (JVI) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 93.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very 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 | - | 131 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 20 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 112 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.9 in | |
| February | 30°F (-1°C) | 3.2 in | Coldest, Driest |
| March | 38°F (3°C) | 4.1 in | |
| April | 48°F (9°C) | 4.3 in | |
| May | 59°F (15°C) | 4.8 in | |
| June | 67°F (19°C) | 4.3 in | |
| July | 75°F (24°C) | 5.0 in | Warmest, Wettest |
| August | 71°F (21°C) | 4.5 in | |
| September | 64°F (18°C) | 4.6 in | |
| October | 52°F (11°C) | 3.9 in | |
| November | 43°F (6°C) | 4.3 in | |
| December | 33°F (0°C) | 3.9 in |
Peapack and Gladstone has a seasonal temperature swing of 45°F / from 30°F in February to 75°F in July. Total annual precipitation is 50.8 inches, with July being the wettest month (5.0") and February the driest (3.2").