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St. Clairsville, PA
Full City Profile · Pennsylvania · Blair County County
2.8
/5.0
C+
Fair
91
Population
3,033/sq mi density
$49,519
Median Income
$22,656 per capita
$129,200
Home Value
$154,500 Zillow
$747
Median Rent
18.4% income on rent
51°F
Avg Temperature
275 sunny days/yr
181
Violent Crime/100K
1,409 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.9 / 5.0
$49,519 median income, 2.7% unemployment
A+
Affordability
5.0 / 5.0
$129,200 home value, $747/mo rent
F
Safety
1.0 / 5.0
181 violent crimes/100K
F
Education
1.3 / 5.0
4.0% bachelor's degree or higher
St. Clairsville experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 40.5 inches. The area receives 37.6 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
28°F Jan (-2°C)
73°F Jul (23°C)
| Annual Average | 50.5°F |
| 6% below US avg | |
| January Average | 28°F (-2°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,244 ft (379 m) |
| Area | 0.0 sq mi (0.0 km²) |
| Population Density | 3,033/sq mi |
| Coordinates | 40.1559°N, 78.5108°W |
| Timezone | America/New_York |
| County | Blair County County |
| Nearest Airport | Greater Cumberland Regional (CBE) 40 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0428 ppm |
| SO₂ (Sulfur Dioxide) | 0.47 ppb |
| PM2.5 (Fine Particles) | 8.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 77.7 / 100 |
| Social Vulnerability | 57.6 / 100 |
| Community Resilience | 94.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively High |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 28°F (-2°C) | 2.5 in | Coldest, Driest |
| February | 29°F (-2°C) | 2.5 in | |
| March | 38°F (3°C) | 3.3 in | |
| April | 49°F (9°C) | 3.3 in | |
| May | 59°F (15°C) | 3.8 in | |
| June | 67°F (19°C) | 3.7 in | |
| July | 73°F (23°C) | 4.0 in | Warmest, Wettest |
| August | 70°F (21°C) | 3.2 in | |
| September | 63°F (17°C) | 3.3 in | |
| October | 52°F (11°C) | 3.0 in | |
| November | 42°F (5°C) | 3.1 in | |
| December | 32°F (-0°C) | 2.8 in |
St. Clairsville has a seasonal temperature swing of 45°F / from 28°F in January to 73°F in July. Total annual precipitation is 38.4 inches, with July being the wettest month (4.0") and January the driest (2.5").