Palmyra, PA
Full City Profile · Pennsylvania · Lebanon County County
4.1
/5.0
A
Great
7,769
Population
4,046/sq mi density
$71,018
Median Income
$34,743 per capita
$211,900
Home Value
$352,657 Zillow
$1,058
Median Rent
26.3% income on rent
52°F
Avg Temperature
A
Overall
4.1 / 5.0
Strong
A
Economy
4.2 / 5.0
$71,018 median income, 3.4% unemployment
A+
Affordability
5.0 / 5.0
$211,900 home value, $1,058/mo rent
B
Education
3.1 / 5.0
25.7% bachelor's degree or higher
Palmyra experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 74°F in July. Annual precipitation totals 46.4 inches. The area receives 24.0 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
30°F Jan (-1°C)
74°F Jul (24°C)
| Annual Average | 52.3°F |
| 3% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (24°C) |
Geography
| Elevation | 453 ft (138 m) |
| Area | 0.8 sq mi (1.9 km²) |
| Population Density | 4,046/sq mi |
| Coordinates | 40.3100°N, 76.5948°W |
| Timezone | America/New_York |
| County | Lebanon County County |
| Nearest Airport | Harrisburg International (MDT) 12 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 66.1% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0453 ppm |
| PM2.5 (Fine Particles) | 10.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 79.9 / 100 |
| Social Vulnerability | 35.2 / 100 |
| Community Resilience | 83.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | - | - | 132 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 3.1 in | Coldest |
| February | 32°F (-0°C) | 2.6 in | Driest |
| March | 40°F (5°C) | 3.6 in | |
| April | 51°F (11°C) | 3.7 in | |
| May | 61°F (16°C) | 4.0 in | |
| June | 70°F (21°C) | 4.5 in | |
| July | 74°F (24°C) | 4.9 in | Warmest, Wettest |
| August | 73°F (23°C) | 4.6 in | |
| September | 66°F (19°C) | 4.6 in | |
| October | 54°F (12°C) | 4.1 in | |
| November | 43°F (6°C) | 3.2 in | |
| December | 34°F (1°C) | 3.6 in |
Palmyra has a seasonal temperature swing of 45°F / from 30°F in January to 74°F in July. Total annual precipitation is 46.4 inches, with July being the wettest month (4.9") and February the driest (2.6").