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Allentown, PA
Full City Profile · Pennsylvania · Lehigh County County
2.8
/5.0
C+
Fair
125,320
Population
7,137/sq mi density
$53,403
Median Income
$25,846 per capita
$188,900
Home Value
$304,235 Zillow
$1,269
Median Rent
34.7% income on rent
54°F
Avg Temperature
267 sunny days/yr
387
Violent Crime/100K
2,283 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.0 / 5.0
$53,403 median income, 5.5% unemployment
A+
Affordability
4.7 / 5.0
$188,900 home value, $1,269/mo rent
F
Safety
1.0 / 5.0
387 violent crimes/100K (2% above avg)
C+
Education
2.6 / 5.0
19.4% bachelor's degree or higher
Allentown experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 39°F in January while summers reach 76°F in July. The area gets 267 sunny days per year. Annual precipitation totals 45.4 inches. The area receives 9.0 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
39°F Jan (4°C)
76°F Jul (24°C)
| Annual Average | 54.3°F |
| 1% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 76°F (24°C) |
| Sunny Days | 267 days/yr |
Geography
| Elevation | 276 ft (84 m) |
| Area | 18.0 sq mi (46.7 km²) |
| Population Density | 7,137/sq mi |
| Coordinates | 40.5936°N, 75.4784°W |
| Timezone | America/New_York |
| County | Lehigh County County |
| Nearest Airport | Lehigh Valley International (ABE) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
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 | — | — | 91 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 3.4 in | |
| February | 30°F (-1°C) | 2.8 in | Coldest, Driest |
| March | 39°F (4°C) | 3.5 in | |
| April | 49°F (9°C) | 3.7 in | |
| May | 60°F (15°C) | 4.5 in | Wettest |
| June | 68°F (20°C) | 4.0 in | |
| July | 76°F (24°C) | 4.3 in | Warmest |
| August | 72°F (22°C) | 4.2 in | |
| September | 65°F (18°C) | 4.1 in | |
| October | 53°F (12°C) | 3.5 in | |
| November | 43°F (6°C) | 3.9 in | |
| December | 33°F (1°C) | 3.5 in |
Allentown has a seasonal temperature swing of 46°F / from 30°F in February to 76°F in July. Total annual precipitation is 45.3 inches, with May being the wettest month (4.5") and February the driest (2.8").