Allentown, PA
Full City Profile · Pennsylvania · Lehigh County County
2.7
/5.0
C+
Fair
125,320
Population
7,137/sq mi density
$53,403
Median Income
$25,846 per capita
$188,900
Home Value
$317,498 Zillow
$1,269
Median Rent
34.7% income on rent
53°F
Avg Temperature
274
Violent Crime/100K
1,592 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$53,403 median income, 8.8% unemployment
A+
Affordability
4.7 / 5.0
$188,900 home value, $1,269/mo rent
F
Safety
1.0 / 5.0
274 violent crimes/100K
C+
Education
2.6 / 5.0
19.4% bachelor's degree or higher
Allentown 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. 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) |
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 | 39.0 |
| Rating | Good |
| Good Days % | 75.6% |
| Unhealthy Days | 2 |
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 | 30°F (-1°C) | 3.3 in | Coldest |
| February | 32°F (0°C) | 2.8 in | Driest |
| March | 41°F (5°C) | 3.6 in | |
| April | 52°F (11°C) | 3.7 in | |
| May | 62°F (17°C) | 3.7 in | |
| June | 71°F (22°C) | 4.4 in | |
| July | 76°F (24°C) | 5.3 in | Warmest, Wettest |
| August | 74°F (23°C) | 4.6 in | |
| September | 66°F (19°C) | 4.8 in | |
| October | 55°F (13°C) | 4.1 in | |
| November | 44°F (7°C) | 3.2 in | |
| December | 35°F (2°C) | 3.9 in |
Allentown has a seasonal temperature swing of 46°F / from 30°F in January to 76°F in July. Total annual precipitation is 47.4 inches, with July being the wettest month (5.3") and February the driest (2.8").