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Marietta, GA
Full City Profile · Georgia · Cobb County County
3.3
/5.0
B
Good
61,773
Population
2,597/sq mi density
$70,086
Median Income
$43,074 per capita
$401,100
Home Value
$468,314 Zillow
$1,491
Median Rent
33.5% income on rent
60°F
Avg Temperature
304 sunny days/yr
427
Violent Crime/100K
3,147 property/100K
B
Overall
3.3 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.2 / 5.0
$70,086 median income, 2.7% unemployment
B
Affordability
3.4 / 5.0
$401,100 home value, $1,491/mo rent
F
Safety
1.0 / 5.0
427 violent crimes/100K (12% above avg)
A+
Education
4.7 / 5.0
46.8% bachelor's degree or higher
Marietta enjoys a temperate climate with an average annual temperature of 60°F (16°C). Winters average 43°F in January while summers reach 76°F in July. The area gets 304 sunny days per year. Annual precipitation totals 56.2 inches. The area receives 1.2 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
43°F Jan (6°C)
76°F Jul (25°C)
| Annual Average | 60.1°F |
| 11% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 76°F (25°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 1,089 ft (332 m) |
| Area | 23.2 sq mi (60.0 km²) |
| Population Density | 2,597/sq mi |
| Coordinates | 33.9536°N, 84.5425°W |
| Timezone | America/New_York |
| County | Cobb County County |
| Nearest Airport | Hartsfield - Jackson Atlanta International (ATL) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0434 ppm |
| PM2.5 (Fine Particles) | 11.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 94.4 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 28.7 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively High |
| Hail | Relatively High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | No Rating |
| Cold Wave | Relatively High |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 5.0 in | Coldest |
| February | 45°F (7°C) | 4.8 in | |
| March | 53°F (12°C) | 5.8 in | Wettest |
| April | 60°F (16°C) | 4.7 in | |
| May | 68°F (20°C) | 4.3 in | |
| June | 75°F (24°C) | 3.9 in | |
| July | 76°F (25°C) | 5.0 in | |
| August | 78°F (25°C) | 3.7 in | Warmest |
| September | 72°F (22°C) | 3.5 in | |
| October | 61°F (16°C) | 3.2 in | Driest |
| November | 52°F (11°C) | 3.5 in | |
| December | 44°F (7°C) | 4.7 in |
Marietta has a seasonal temperature swing of 35°F / from 43°F in January to 78°F in August. Total annual precipitation is 51.9 inches, with March being the wettest month (5.8") and October the driest (3.2").