All Countries
Whippany, NJ
Full City Profile · New Jersey · Morris County County
3.8
/5.0
B+
Good
8,862
Population
1,580/sq mi density
$153,725
Median Income
$77,553 per capita
$612,500
Home Value
$1,009,491 Zillow
$2,619
Median Rent
35.0% income on rent
52°F
Avg Temperature
275 sunny days/yr
17
Violent Crime/100K
860 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$153,725 median income, 2.7% unemployment
A
Affordability
4.4 / 5.0
$612,500 home value, $2,619/mo rent
F
Safety
1.0 / 5.0
17 violent crimes/100K
A+
Education
5.0 / 5.0
55.2% bachelor's degree or higher
Whippany experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 29°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 49.2 inches. Air quality is rated Good with a median AQI of 39.
Temperature
29°F Jan (-2°C)
75°F Jul (24°C)
| Annual Average | 51.8°F |
| 4% below US avg | |
| January Average | 29°F (-2°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 204 ft (62 m) |
| Area | 5.7 sq mi (14.9 km²) |
| Population Density | 1,580/sq mi |
| Coordinates | 40.8233°N, 74.4187°W |
| Timezone | America/New_York |
| County | Morris County County |
| Nearest Airport | Newark Liberty International (EWR) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0448 ppm |
| NO₂ (Nitrogen Dioxide) | 5.1 ppb |
| SO₂ (Sulfur Dioxide) | 0.82 ppb |
| PM2.5 (Fine Particles) | 6.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.9 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 89.5 / 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 | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
| Avalanche | 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 | — | 111 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 43 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 132 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 29°F (-2°C) | 3.9 in | Coldest |
| February | 31°F (-1°C) | 3.1 in | Driest |
| March | 40°F (4°C) | 4.1 in | |
| April | 50°F (10°C) | 4.3 in | |
| May | 60°F (16°C) | 4.7 in | |
| June | 69°F (20°C) | 4.2 in | |
| July | 75°F (24°C) | 5.0 in | Warmest, Wettest |
| August | 72°F (22°C) | 4.4 in | |
| September | 65°F (18°C) | 4.6 in | |
| October | 53°F (12°C) | 3.9 in | |
| November | 44°F (7°C) | 4.3 in | |
| December | 34°F (1°C) | 3.8 in |
Whippany has a seasonal temperature swing of 46°F / from 29°F in January to 75°F in July. Total annual precipitation is 50.4 inches, with July being the wettest month (5.0") and February the driest (3.1").