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East Petersburg, PA
Full City Profile · Pennsylvania · Lancaster County County
3.6
/5.0
B+
Good
4,575
Population
3,781/sq mi density
$86,614
Median Income
$40,547 per capita
$248,100
Home Value
$348,791 Zillow
$1,323
Median Rent
21.7% income on rent
53°F
Avg Temperature
275 sunny days/yr
44
Violent Crime/100K
1,041 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.7 / 5.0
$86,614 median income, 1.7% unemployment
A+
Affordability
5.0 / 5.0
$248,100 home value, $1,323/mo rent
F
Safety
1.0 / 5.0
44 violent crimes/100K
B+
Education
3.8 / 5.0
34.5% bachelor's degree or higher
East Petersburg experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 31°F in January while summers reach 75°F in July. The area gets 275 sunny days per year. Annual precipitation totals 42.1 inches. Air quality is rated Good with a median AQI of 40.
Temperature
31°F Jan (-1°C)
75°F Jul (24°C)
| Annual Average | 53.3°F |
| 1% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 379 ft (116 m) |
| Area | 0.5 sq mi (1.2 km²) |
| Population Density | 3,781/sq mi |
| Coordinates | 40.1034°N, 76.3497°W |
| Timezone | America/New_York |
| County | Lancaster County County |
| Nearest Airport | Harrisburg International (MDT) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0450 ppm |
| PM2.5 (Fine Particles) | 11.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.0 / 100 |
| Social Vulnerability | 43.5 / 100 |
| Community Resilience | 70.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very High |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively 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 | - | - | 139 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 104 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 3.0 in | Coldest |
| February | 31°F (-0°C) | 2.4 in | Driest |
| March | 40°F (5°C) | 3.1 in | |
| April | 51°F (10°C) | 3.5 in | |
| May | 61°F (16°C) | 4.0 in | |
| June | 70°F (21°C) | 4.1 in | |
| July | 75°F (24°C) | 4.5 in | Warmest, Wettest |
| August | 73°F (23°C) | 3.5 in | |
| September | 66°F (19°C) | 3.5 in | |
| October | 55°F (13°C) | 3.0 in | |
| November | 44°F (7°C) | 3.5 in | |
| December | 35°F (2°C) | 3.2 in |
East Petersburg has a seasonal temperature swing of 45°F / from 31°F in January to 75°F in July. Total annual precipitation is 41.2 inches, with July being the wettest month (4.5") and February the driest (2.4").