All Countries
Dilworthtown, PA
Full City Profile · Pennsylvania · Delaware County County
4.0
/5.0
A
Great
1,098
Population
1,716/sq mi density
$176,438
Median Income
$96,323 per capita
$550,500
Home Value
$694,512 Zillow
52°F
Avg Temperature
290 sunny days/yr
225
Violent Crime/100K
1,959 property/100K
A
Overall
4.0 / 5.0
Strong
A+
Economy
5.0 / 5.0
$176,438 median income, 0.8% unemployment
A+
Affordability
4.9 / 5.0
$550,500 home value, /mo rent
F
Safety
1.0 / 5.0
225 violent crimes/100K
A+
Education
5.0 / 5.0
76.9% bachelor's degree or higher
Dilworthtown experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 75°F in July. The area gets 290 sunny days per year. Annual precipitation totals 50.9 inches. The area receives 30.5 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
30°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 52.4°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 290 days/yr |
Geography
| Elevation | 435 ft (133 m) |
| Area | 0.6 sq mi (1.7 km²) |
| Population Density | 1,716/sq mi |
| Coordinates | 39.9019°N, 75.5714°W |
| Timezone | America/New_York |
| County | Delaware County County |
| Nearest Airport | Philadelphia International (PHL) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0484 ppm |
| NO₂ (Nitrogen Dioxide) | 15.0 ppb |
| PM2.5 (Fine Particles) | 10.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.9 / 100 |
| Social Vulnerability | 33.0 / 100 |
| Community Resilience | 84.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively High |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
| 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 | — | — | 103 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 34 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.7 in | Coldest |
| February | 32°F (0°C) | 3.0 in | Driest |
| March | 41°F (5°C) | 4.0 in | |
| April | 51°F (10°C) | 3.9 in | |
| May | 61°F (16°C) | 4.5 in | |
| June | 70°F (21°C) | 4.1 in | |
| July | 75°F (24°C) | 4.7 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.9 in | |
| September | 66°F (19°C) | 4.4 in | |
| October | 55°F (13°C) | 3.4 in | |
| November | 45°F (7°C) | 3.9 in | |
| December | 35°F (2°C) | 3.7 in |
Dilworthtown has a seasonal temperature swing of 45°F / from 30°F in January to 75°F in July. Total annual precipitation is 47.0 inches, with July being the wettest month (4.7") and February the driest (3.0").