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Rehrersburg, PA
Full City Profile · Pennsylvania · Lebanon County County
2.2
/5.0
C
Fair
231
Population
1,650/sq mi density
$1,099
Median Rent
29.0% income on rent
52°F
Avg Temperature
275 sunny days/yr
178
Violent Crime/100K
1,031 property/100K
C
Overall
2.2 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
178 violent crimes/100K
B
Education
3.4 / 5.0
29.7% bachelor's degree or higher
Rehrersburg 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 | 585 ft (178 m) |
| Area | 0.5 sq mi (1.4 km²) |
| Population Density | 1,650/sq mi |
| Coordinates | 40.4580°N, 76.2453°W |
| Timezone | America/New_York |
| County | Lebanon County County |
| Nearest Airport | Reading Regional/Carl A Spaatz Field (RDG) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
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
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1895 | HIGH BRIDGE, NJ | Earthquake | — | — | 117 km |
| 1840 | PHILADELPHIA, PENNSYLVANIA | Earthquake | — | — | 115 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 3.2 in | Coldest |
| February | 30°F (-1°C) | 2.7 in | Driest |
| March | 39°F (4°C) | 3.2 in | |
| April | 49°F (10°C) | 3.6 in | |
| May | 60°F (15°C) | 4.3 in | Wettest |
| June | 69°F (20°C) | 4.3 in | |
| July | 74°F (24°C) | 4.2 in | Warmest |
| August | 72°F (22°C) | 3.7 in | |
| September | 65°F (18°C) | 3.9 in | |
| October | 53°F (12°C) | 3.2 in | |
| November | 43°F (6°C) | 3.7 in | |
| December | 34°F (1°C) | 3.4 in |
Rehrersburg has a seasonal temperature swing of 46°F / from 28°F in January to 74°F in July. Total annual precipitation is 43.3 inches, with May being the wettest month (4.3") and February the driest (2.7").