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Marietta, NC
Full City Profile · North Carolina · Dillon County County
1.7
/5.0
D
Poor
130
Population
116/sq mi density
$127,100
Home Value
$146,789 Zillow
$713
Median Rent
45.0% income on rent
62°F
Avg Temperature
301 sunny days/yr
1,101
Violent Crime/100K
6,275 property/100K
D
Overall
1.7 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
1,101 violent crimes/100K (190% above avg)
C
Education
2.5 / 5.0
18.7% bachelor's degree or higher
Marietta enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 43°F in January while summers reach 79°F in July. The area gets 301 sunny days per year. Annual precipitation totals 51.4 inches. Air quality is rated Good with a median AQI of 40.
Temperature
43°F Jan (6°C)
79°F Jul (26°C)
| Annual Average | 61.6°F |
| 14% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 79°F (26°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 90 ft (27 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 116/sq mi |
| Coordinates | 34.3682°N, 79.1249°W |
| Timezone | America/New_York |
| County | Dillon County County |
| Nearest Airport | Lumberton Regional (LBT) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 84.3 / 100 |
| Social Vulnerability | 87.6 / 100 |
| Community Resilience | 25.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | No Rating |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.9 in | Coldest |
| February | 46°F (8°C) | 3.6 in | |
| March | 54°F (12°C) | 4.4 in | |
| April | 61°F (16°C) | 2.9 in | |
| May | 69°F (21°C) | 4.0 in | |
| June | 76°F (25°C) | 4.8 in | |
| July | 79°F (26°C) | 5.8 in | Warmest, Wettest |
| August | 79°F (26°C) | 5.3 in | |
| September | 74°F (23°C) | 4.1 in | |
| October | 63°F (17°C) | 3.0 in | |
| November | 55°F (13°C) | 2.8 in | Driest |
| December | 47°F (8°C) | 3.2 in |
Marietta has a seasonal temperature swing of 36°F / from 43°F in January to 79°F in July. Total annual precipitation is 47.9 inches, with July being the wettest month (5.8") and November the driest (2.8").