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Pen Argyl, PA
Full City Profile · Pennsylvania · Northampton County County
3.6
/5.0
B+
Good
3,489
Population
2,604/sq mi density
$79,948
Median Income
$33,658 per capita
$172,100
Home Value
$296,769 Zillow
$1,165
Median Rent
32.6% income on rent
50°F
Avg Temperature
275 sunny days/yr
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$79,948 median income, 2.8% unemployment
A+
Affordability
5.0 / 5.0
$172,100 home value, $1,165/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
C+
Education
2.7 / 5.0
21.3% bachelor's degree or higher
Pen Argyl experiences four distinct seasons with an average annual temperature of 50°F (10°C). Winters average 27°F in January while summers reach 72°F in July. The area gets 275 sunny days per year. Annual precipitation totals 48.2 inches. The area receives 23.3 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
27°F Jan (-3°C)
72°F Jul (22°C)
| Annual Average | 50.1°F |
| 7% below US avg | |
| January Average | 27°F (-3°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 806 ft (246 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 2,604/sq mi |
| Coordinates | 40.8678°N, 75.2539°W |
| Timezone | America/New_York |
| County | Northampton County County |
| Nearest Airport | Lehigh Valley International (ABE) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0445 ppm |
| NO₂ (Nitrogen Dioxide) | 13.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.77 ppb |
| PM2.5 (Fine Particles) | 9.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.0 / 100 |
| Social Vulnerability | 30.6 / 100 |
| Community Resilience | 73.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| 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 | — | — | 38 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 119 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 27°F (-3°C) | 3.5 in | Coldest |
| February | 27°F (-3°C) | 2.9 in | Driest |
| March | 36°F (2°C) | 3.6 in | |
| April | 47°F (8°C) | 3.9 in | |
| May | 58°F (14°C) | 4.7 in | Wettest |
| June | 66°F (19°C) | 4.3 in | |
| July | 72°F (22°C) | 4.4 in | Warmest |
| August | 70°F (21°C) | 4.2 in | |
| September | 63°F (17°C) | 4.4 in | |
| October | 52°F (11°C) | 3.8 in | |
| November | 42°F (5°C) | 4.1 in | |
| December | 31°F (-0°C) | 3.6 in |
Pen Argyl has a seasonal temperature swing of 45°F / from 27°F in January to 72°F in July. Total annual precipitation is 47.3 inches, with May being the wettest month (4.7") and February the driest (2.9").