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Jennerstown, PA
Full City Profile · Pennsylvania · Westmoreland County County
3.2
/5.0
B
Good
1,153
Population
601/sq mi density
$61,410
Median Income
$41,354 per capita
$192,400
Home Value
$150,948 Zillow
$872
Median Rent
51.0% income on rent
46°F
Avg Temperature
271 sunny days/yr
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$61,410 median income, 3.5% unemployment
A+
Affordability
4.9 / 5.0
$192,400 home value, $872/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
D
Education
1.6 / 5.0
7.9% bachelor's degree or higher
Jennerstown experiences four distinct seasons with an average annual temperature of 46°F (8°C). Winters average 23°F in January while summers reach 66°F in July. The area gets 271 sunny days per year. Annual precipitation totals 56.6 inches. The area receives 142.2 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
23°F Jan (-5°C)
66°F Jul (19°C)
| Annual Average | 45.6°F |
| 16% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 66°F (19°C) |
| Sunny Days | 271 days/yr |
Geography
| Elevation | 1,877 ft (572 m) |
| Area | 1.9 sq mi (5.0 km²) |
| Population Density | 601/sq mi |
| Coordinates | 40.1633°N, 79.0610°W |
| Timezone | America/New_York |
| County | Westmoreland County County |
| Nearest Airport | Arnold Palmer Regional (LBE) 20 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0423 ppm |
| PM2.5 (Fine Particles) | 8.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.9 / 100 |
| Social Vulnerability | 30.2 / 100 |
| Community Resilience | 92.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 3.0 in | Coldest |
| February | 27°F (-3°C) | 2.8 in | Driest |
| March | 36°F (2°C) | 3.7 in | |
| April | 46°F (8°C) | 3.9 in | |
| May | 56°F (14°C) | 4.2 in | Wettest |
| June | 64°F (18°C) | 4.1 in | |
| July | 66°F (19°C) | 4.2 in | |
| August | 67°F (20°C) | 3.9 in | Warmest |
| September | 61°F (16°C) | 3.6 in | |
| October | 50°F (10°C) | 3.0 in | |
| November | 40°F (4°C) | 3.5 in | |
| December | 30°F (-1°C) | 3.3 in |
Jennerstown has a seasonal temperature swing of 45°F / from 23°F in January to 67°F in August. Total annual precipitation is 43.1 inches, with May being the wettest month (4.2") and February the driest (2.8").