All Countries
Adamstown, PA
Full City Profile · Pennsylvania · Lancaster County County
3.7
/5.0
B+
Good
2,387
Population
1,730/sq mi density
$102,375
Median Income
$39,541 per capita
$263,000
Home Value
$297,109 Zillow
$1,233
Median Rent
27.7% income on rent
52°F
Avg Temperature
275 sunny days/yr
270
Violent Crime/100K
216 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$102,375 median income, 1.4% unemployment
A+
Affordability
5.0 / 5.0
$263,000 home value, $1,233/mo rent
F
Safety
1.0 / 5.0
270 violent crimes/100K
B+
Education
3.8 / 5.0
35.3% bachelor's degree or higher
Adamstown experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 28°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 48.4 inches. Air quality is rated Good with a median AQI of 40.
Temperature
28°F Jan (-2°C)
74°F Jul (24°C)
| Annual Average | 51.6°F |
| 4% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 74°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 723 ft (220 m) |
| Area | 1.4 sq mi (3.6 km²) |
| Population Density | 1,730/sq mi |
| Coordinates | 40.2445°N, 76.0647°W |
| Timezone | America/New_York |
| County | Lancaster County County |
| Nearest Airport | Reading Regional/Carl A Spaatz Field (RDG) 11 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 | — | — | 111 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 3.3 in | Coldest |
| February | 30°F (-1°C) | 2.7 in | Driest |
| March | 39°F (4°C) | 3.4 in | |
| April | 49°F (10°C) | 3.7 in | |
| May | 60°F (16°C) | 4.3 in | Wettest |
| June | 69°F (20°C) | 4.3 in | |
| July | 74°F (24°C) | 4.3 in | Warmest |
| August | 72°F (22°C) | 3.8 in | |
| September | 65°F (18°C) | 3.9 in | |
| October | 54°F (12°C) | 3.2 in | |
| November | 44°F (7°C) | 3.7 in | |
| December | 34°F (1°C) | 3.4 in |
Adamstown has a seasonal temperature swing of 46°F / from 28°F in January to 74°F in July. Total annual precipitation is 44.2 inches, with May being the wettest month (4.3") and February the driest (2.7").