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Marietta, OH
Full City Profile · Ohio · Washington County County
3.1
/5.0
B
Good
13,282
Population
1,576/sq mi density
$45,986
Median Income
$37,455 per capita
$145,700
Home Value
$181,648 Zillow
$828
Median Rent
32.2% income on rent
54°F
Avg Temperature
293 sunny days/yr
125
Violent Crime/100K
1,417 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.3 / 5.0
$45,986 median income, 3.0% unemployment
A+
Affordability
4.9 / 5.0
$145,700 home value, $828/mo rent
F
Safety
1.0 / 5.0
125 violent crimes/100K
B
Education
3.3 / 5.0
28.6% bachelor's degree or higher
Marietta experiences four distinct seasons with an average annual temperature of 54°F (12°C). Winters average 31°F in January while summers reach 75°F in July. The area gets 293 sunny days per year. Annual precipitation totals 45.3 inches. The area receives 16.3 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
31°F Jan (-0°C)
75°F Jul (24°C)
| Annual Average | 53.8°F |
| 0% below US avg | |
| January Average | 31°F (-0°C) |
| July Average | 75°F (24°C) |
| Sunny Days | 293 days/yr |
Geography
| Elevation | 706 ft (215 m) |
| Area | 8.8 sq mi (22.7 km²) |
| Population Density | 1,576/sq mi |
| Coordinates | 39.4232°N, 81.4464°W |
| Timezone | America/New_York |
| County | Washington County County |
| Nearest Airport | Mid-Ohio Valley Regional (PKB) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0454 ppm |
| SO₂ (Sulfur Dioxide) | 1.94 ppb |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 64.4 / 100 |
| Social Vulnerability | 49.2 / 100 |
| Community Resilience | 52.1 / 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 | Very Low |
| Lightning | Relatively Moderate |
| 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 | 31°F (-0°C) | 2.6 in | Coldest |
| February | 33°F (0°C) | 2.6 in | Driest |
| March | 42°F (6°C) | 3.6 in | |
| April | 52°F (11°C) | 3.4 in | |
| May | 62°F (16°C) | 3.9 in | |
| June | 70°F (21°C) | 3.7 in | |
| July | 75°F (24°C) | 4.3 in | Warmest, Wettest |
| August | 72°F (22°C) | 3.9 in | |
| September | 66°F (19°C) | 3.1 in | |
| October | 54°F (12°C) | 2.8 in | |
| November | 44°F (7°C) | 3.2 in | |
| December | 35°F (2°C) | 3.0 in |
Marietta has a seasonal temperature swing of 44°F / from 31°F in January to 75°F in July. Total annual precipitation is 40.2 inches, with July being the wettest month (4.3") and February the driest (2.6").