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St. Clairsville, OH
Full City Profile · Ohio · Belmont County County
3.6
/5.0
B+
Good
5,043
Population
2,084/sq mi density
$73,534
Median Income
$39,609 per capita
$197,600
Home Value
$115,457 Zillow
$966
Median Rent
24.8% income on rent
53°F
Avg Temperature
275 sunny days/yr
277
Violent Crime/100K
941 property/100K
B+
Overall
3.6 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.4 / 5.0
$73,534 median income, 0.5% unemployment
A+
Affordability
5.0 / 5.0
$197,600 home value, $966/mo rent
F
Safety
1.0 / 5.0
277 violent crimes/100K
B+
Education
4.0 / 5.0
37.0% bachelor's degree or higher
St. Clairsville experiences four distinct seasons with an average annual temperature of 53°F (12°C). Winters average 30°F in January while summers reach 74°F in July. The area gets 275 sunny days per year. Annual precipitation totals 41.9 inches. Air quality is rated Good with a median AQI of 43.
Temperature
30°F Jan (-1°C)
74°F Jul (24°C)
| Annual Average | 53.1°F |
| 2% below US avg | |
| January Average | 30°F (-1°C) |
| July Average | 74°F (24°C) |
| Sunny Days | 275 days/yr |
Geography
| Elevation | 1,167 ft (356 m) |
| Area | 2.4 sq mi (6.3 km²) |
| Population Density | 2,084/sq mi |
| Coordinates | 40.0783°N, 80.8992°W |
| Timezone | America/New_York |
| County | Belmont County County |
| Nearest Airport | Pittsburgh International (PIT) 45 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| NO₂ (Nitrogen Dioxide) | 8.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.53 ppb |
| PM2.5 (Fine Particles) | 8.0 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.2 / 100 |
| Social Vulnerability | 61.1 / 100 |
| Community Resilience | 53.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 2.5 in | Coldest |
| February | 30°F (-1°C) | 2.3 in | Driest |
| March | 40°F (4°C) | 3.2 in | |
| April | 50°F (10°C) | 3.4 in | |
| May | 60°F (15°C) | 3.9 in | |
| June | 68°F (20°C) | 4.0 in | |
| July | 74°F (24°C) | 4.2 in | Warmest, Wettest |
| August | 71°F (21°C) | 3.6 in | |
| September | 64°F (18°C) | 3.0 in | |
| October | 52°F (11°C) | 2.6 in | |
| November | 42°F (6°C) | 3.2 in | |
| December | 33°F (0°C) | 2.9 in |
St. Clairsville has a seasonal temperature swing of 44°F / from 30°F in January to 74°F in July. Total annual precipitation is 38.6 inches, with July being the wettest month (4.2") and February the driest (2.3").