Olivet, NJ
Full City Profile · New Jersey · Salem County County
4.1
/5.0
A
Great
1,647
Population
661/sq mi density
$122,193
Median Income
$41,476 per capita
$299,000
Home Value
$337,918 Zillow
56°F
Avg Temperature
A
Overall
4.1 / 5.0
Strong
A
Economy
4.1 / 5.0
$122,193 median income, 8.0% unemployment
A+
Affordability
5.0 / 5.0
$299,000 home value, /mo rent
B
Education
3.3 / 5.0
28.3% bachelor's degree or higher
Olivet enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 34°F in January while summers reach 77°F in July. Annual precipitation totals 46.6 inches. The area receives 13.3 inches of snow annually.
Temperature
34°F Jan (1°C)
77°F Jul (25°C)
| Annual Average | 55.8°F |
| 3% above US avg | |
| January Average | 34°F (1°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 85 ft (26 m) |
| Area | 2.7 sq mi (7.0 km²) |
| Population Density | 661/sq mi |
| Coordinates | 39.5381°N, 75.1763°W |
| Timezone | America/New_York |
| County | Salem County County |
| Nearest Airport | Philadelphia International (PHL) 23 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.5 / 100 |
| Social Vulnerability | 27.4 / 100 |
| Community Resilience | 89.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1895 | HIGH BRIDGE, NJ | Earthquake | - | - | 128 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 29 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 34°F (1°C) | 3.2 in | Coldest |
| February | 36°F (2°C) | 3.1 in | Driest |
| March | 44°F (7°C) | 3.9 in | |
| April | 54°F (12°C) | 3.2 in | |
| May | 63°F (17°C) | 3.2 in | |
| June | 73°F (23°C) | 4.5 in | |
| July | 77°F (25°C) | 5.1 in | Warmest, Wettest |
| August | 75°F (24°C) | 4.6 in | |
| September | 69°F (21°C) | 4.2 in | |
| October | 58°F (14°C) | 3.9 in | |
| November | 47°F (8°C) | 3.4 in | |
| December | 39°F (4°C) | 4.4 in |
Olivet has a seasonal temperature swing of 43°F / from 34°F in January to 77°F in July. Total annual precipitation is 46.6 inches, with July being the wettest month (5.1") and February the driest (3.1").