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Star Junction, PA
Full City Profile · Pennsylvania · Westmoreland County County
2.7
/5.0
C+
Fair
425
Population
363/sq mi density
$40,750
Median Income
$31,884 per capita
$137,000
Home Value
$169,007 Zillow
$754
Median Rent
15.0% income on rent
52°F
Avg Temperature
275 sunny days/yr
57
Violent Crime/100K
682 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$40,750 median income, 3.5% unemployment
A+
Affordability
4.8 / 5.0
$137,000 home value, $754/mo rent
F
Safety
1.0 / 5.0
57 violent crimes/100K
F
Education
1.4 / 5.0
4.6% bachelor's degree or higher
Star Junction experiences four distinct seasons with an average annual temperature of 52°F (11°C). Winters average 30°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.9 inches. The area receives 21.4 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
30°F Jan (-1°C)
73°F Jul (23°C)
| Annual Average | 52.1°F |
| 4% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,001 ft (305 m) |
| Area | 1.2 sq mi (3.1 km²) |
| Population Density | 363/sq mi |
| Coordinates | 40.0610°N, 79.7656°W |
| Timezone | America/New_York |
| County | Westmoreland County County |
| Nearest Airport | Arnold Palmer Regional (LBE) 24 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 | 30°F (-1°C) | 2.6 in | Coldest |
| February | 31°F (-1°C) | 2.4 in | Driest |
| March | 40°F (4°C) | 3.5 in | |
| April | 49°F (10°C) | 3.5 in | |
| May | 59°F (15°C) | 4.0 in | |
| June | 68°F (20°C) | 3.9 in | |
| July | 73°F (23°C) | 4.1 in | Warmest, Wettest |
| August | 71°F (21°C) | 3.8 in | |
| September | 64°F (18°C) | 3.3 in | |
| October | 53°F (11°C) | 2.7 in | |
| November | 43°F (6°C) | 3.1 in | |
| December | 33°F (1°C) | 3.0 in |
Star Junction has a seasonal temperature swing of 44°F / from 30°F in January to 73°F in July. Total annual precipitation is 40.0 inches, with July being the wettest month (4.1") and February the driest (2.4").