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Northampton, PA
Full City Profile · Pennsylvania · Lehigh County County
3.4
/5.0
B
Good
10,366
Population
4,197/sq mi density
$82,719
Median Income
$41,800 per capita
$225,400
Home Value
$337,445 Zillow
$1,156
Median Rent
30.6% income on rent
53°F
Avg Temperature
275 sunny days/yr
50
Violent Crime/100K
1,292 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$82,719 median income, 2.1% unemployment
A+
Affordability
5.0 / 5.0
$225,400 home value, $1,156/mo rent
F
Safety
1.0 / 5.0
50 violent crimes/100K
C+
Education
2.8 / 5.0
22.6% bachelor's degree or higher
Northampton experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 76°F in July. The area gets 275 sunny days per year. Annual precipitation totals 47.4 inches. The area receives 33.1 inches of snow annually. Air quality is rated Good with a median AQI of 39.
Temperature
30°F Jan (-1°C)
76°F Jul (24°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 387 ft (118 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 4,197/sq mi |
| Coordinates | 40.6882°N, 75.4874°W |
| Timezone | America/New_York |
| County | Lehigh County County |
| Nearest Airport | Lehigh Valley International (ABE) 3 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 39.0 |
| Rating | Good |
| Good Days % | 76.0% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0415 ppm |
| PM2.5 (Fine Particles) | 9.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.9 / 100 |
| Social Vulnerability | 58.5 / 100 |
| Community Resilience | 73.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Very High |
| Landslide | Relatively Low |
| Avalanche | Very Low |
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 | — | — | 51 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 102 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.4 in | |
| February | 28°F (-2°C) | 2.8 in | Coldest, Driest |
| March | 37°F (3°C) | 3.5 in | |
| April | 48°F (9°C) | 3.7 in | |
| May | 58°F (15°C) | 4.6 in | Wettest |
| June | 67°F (19°C) | 4.1 in | |
| July | 76°F (24°C) | 4.3 in | Warmest |
| August | 71°F (22°C) | 4.2 in | |
| September | 64°F (18°C) | 4.3 in | |
| October | 52°F (11°C) | 3.6 in | |
| November | 42°F (6°C) | 3.9 in | |
| December | 32°F (0°C) | 3.5 in |
Northampton has a seasonal temperature swing of 48°F / from 28°F in February to 76°F in July. Total annual precipitation is 45.8 inches, with May being the wettest month (4.6") and February the driest (2.8").