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Weather & Climate in Ampere North, NJ
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ampere North experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 32°F in January while summers reach 78°F in July. The area gets 271 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 50.4 inches (wetter than the 38-inch national average). The area receives 28.2 inches of snow annually, a moderate snowfall amount. Air quality is rated Good with a median AQI of 39. The city sits at an elevation of 119 feet.
Temperature
32°F Jan (0°C)
78°F Jul (26°C)
| Annual Average | 54.8°F |
| 1% above US avg | |
| January Average | 32°F (0°C) |
| July Average | 78°F (26°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 119 ft (36 m) |
| Area | 0.3 sq mi (0.7 km²) |
| Population Density | 17,743/sq mi |
| Coordinates | 40.7757°N, 74.1918°W |
| Timezone | America/New_York |
| County | Essex County County |
| Nearest Airport | Newark Liberty International (EWR) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.7 / 100 |
| Social Vulnerability | 80.3 / 100 |
| Community Resilience | 27.7 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Very High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
20 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 5, 2024 | 2024 Tewksbury, New Jersey Earthquake | M4.8 | 49 km | 3 km |
| Apr 5, 2024 | 7 km WSW of Gladstone, New Jersey | M3.7 | 48 km | 4 km |
| Aug 26, 2003 | 4 km NNW of Milford, New Jersey | M3.1 | 79 km | 3 km |
| Jan 9, 1992 | 4 km WNW of Robertsville, New Jersey | M3.1 | 48 km | 8 km |
| Oct 28, 1991 | 3 km WNW of Stamford, Connecticut | M3.0 | 61 km | 10 km |
| Aug 3, 2025 | 0 km W of Little Ferry, New Jersey | M3.0 | 15 km | 10 km |
| Feb 3, 2009 | 1 km ESE of Victory Gardens, New Jersey | M3.0 | 30 km | 0 km |
| Apr 27, 2024 | 7 km WSW of Gladstone, New Jersey | M2.9 | 48 km | 5 km |
| May 24, 2024 | 6 km E of Califon, New Jersey | M2.9 | 48 km | 7 km |
| Aug 5, 2025 | 1 km N of Hillsdale, New Jersey | M2.8 | 30 km | 12 km |
| Apr 12, 1991 | 2 km ENE of North Castle, New York | M2.7 | 62 km | 9 km |
| Apr 10, 2024 | 5 km WSW of Gladstone, New Jersey | M2.6 | 45 km | 9 km |
| May 1, 2024 | 1 km NW of Gladstone, New Jersey | M2.6 | 41 km | 5 km |
| Aug 14, 2015 | 3 km SE of Mendham, New Jersey | M2.6 | 32 km | 8 km |
| Apr 5, 2024 | 6 km ESE of Califon, New Jersey | M2.6 | 49 km | 6 km |
| Oct 27, 2001 | 1 km NNW of Manhattan, New York | M2.6 | 19 km | 5 km |
| Aug 22, 2000 | 2 km WSW of Brewster Hill, New York | M2.6 | 86 km | 7 km |
| Jul 5, 1996 | 2 km NW of Chester Heights, Pennsylvania | M2.6 | 147 km | 18 km |
| Jan 15, 1992 | 5 km NNE of Tuxedo Park, New York | M2.5 | 52 km | 7 km |
| Feb 26, 1993 | 2 km SW of Marlton, New Jersey | M2.5 | 119 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2012 | Sandy | Category 1 | 92 mph | 288 km |
| 1991 | Bob | Category 2 | 109 mph | 176 km |
| 1985 | Gloria | Category 2 | 98 mph | 78 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
227 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 12 fatalities, 122 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jul 29, 2021 | EF3 | 99 km | 3.4 mi | 0 |
| May 31, 1998 | EF3 | 96 km | 20.0 mi | 0 |
| Oct 18, 1990 | EF3 | 59 km | 0.5 mi | 0 |
| Jul 14, 1988 | EF3 | 68 km | 7.2 mi | 0 |
| Sep 26, 1977 | EF3 | 53 km | 5.9 mi | 0 |
| Mar 21, 1976 | EF3 | 86 km | 0.5 mi | 0 |
| May 28, 1973 | EF3 | 45 km | 0.4 mi | 0 |
| May 28, 1973 | EF3 | 26 km | 0.4 mi | 0 |
| Jun 24, 1960 | EF3 | 75 km | 12.9 mi | 0 |
| Apr 1, 2023 | EF2 | 74 km | 0.1 mi | 0 |
| Apr 1, 2023 | EF2 | 71 km | 2.1 mi | 0 |
| Apr 1, 2023 | EF2 | 69 km | 1.6 mi | 0 |
| Feb 21, 2023 | EF2 | 70 km | 5.8 mi | 0 |
| Jul 29, 2021 | EF2 | 80 km | 6.3 mi | 0 |
| May 15, 2018 | EF2 | 91 km | 1.2 mi | 0 |
| Jul 29, 2009 | EF2 | 66 km | 7.4 mi | 0 |
| Jul 29, 2009 | EF2 | 91 km | 4.6 mi | 0 |
| Aug 8, 2007 | EF2 | 18 km | 5.9 mi | 0 |
| Jul 12, 2006 | EF2 | 42 km | 10.1 mi | 0 |
| May 27, 2001 | EF2 | 49 km | 1.5 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
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 | — | 92 km |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 60 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 138 km |
Source: NOAA/NCEI Historical Tsunami Database.
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (23,000 acres, 1985).
| Year | Name | Acres Burned | Distance |
| 1985 | UNNAMED | 23,000 | 47 km |
| 2016 | 16 MILE | 7,896 | 93 km |
| 2024 | JENNINGS CREEK | 5,069 | 45 km |
| 1992 | UNNAMED | 4,470 | 91 km |
| 2023 | JIMMYS WATER HOLE | 3,585 | 87 km |
| 2002 | UNNAMED | 2,824 | 89 km |
| 2015 | ROOSA GAP | 2,747 | 98 km |
| 2010 | FORT DIX RANGE 1-14 | 2,615 | 89 km |
| 1997 | UNNAMED | 1,793 | 91 km |
| 2002 | JAKES BRANCH | 1,364 | 96 km |
| 1995 | UNNAMED | 1,318 | 89 km |
| 2002 | UNNAMED | 1,002 | 90 km |
| 2003 | UNNAMED | 974 | 99 km |
| 1992 | UNNAMED | 959 | 87 km |
| 1986 | LAKEHURST NAVAL AIR | 906 | 85 km |
| 1999 | UNNAMED | 892 | 99 km |
| 1995 | UNNAMED | 877 | 89 km |
| 1991 | UNNAMED | 860 | 90 km |
| 1997 | WRANGLE BROOK FIRE | 850 | 91 km |
| 1988 | UNNAMED | 833 | 52 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 32°F (0°C) | 3.9 in | Coldest |
| February | 32°F (0°C) | 3.1 in | Driest |
| March | 41°F (5°C) | 4.2 in | |
| April | 51°F (10°C) | 4.2 in | |
| May | 61°F (16°C) | 4.7 in | |
| June | 70°F (21°C) | 4.1 in | |
| July | 78°F (26°C) | 4.9 in | Warmest, Wettest |
| August | 73°F (23°C) | 4.4 in | |
| September | 66°F (19°C) | 4.5 in | |
| October | 55°F (13°C) | 3.9 in | |
| November | 45°F (7°C) | 4.3 in | |
| December | 35°F (2°C) | 3.8 in |
Ampere North has a seasonal temperature swing of 46°F / from 32°F in January to 78°F in July. Total annual precipitation is 49.9 inches, with July being the wettest month (4.9") and February the driest (3.1").