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Marvin, NC
Full City Profile · North Carolina · Union County County
3.9
/5.0
B+
Good
6,542
Population
1,089/sq mi density
$250,001
Median Income
$78,217 per capita
$860,600
Home Value
$1,224,149 Zillow
61°F
Avg Temperature
310 sunny days/yr
60
Violent Crime/100K
1,036 property/100K
B+
Overall
3.9 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$250,001 median income, 2.3% unemployment
A+
Affordability
4.7 / 5.0
$860,600 home value, /mo rent
F
Safety
1.0 / 5.0
60 violent crimes/100K
A+
Education
5.0 / 5.0
79.7% bachelor's degree or higher
Marvin enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 80°F in July. The area gets 310 sunny days per year. Annual precipitation totals 47.8 inches. The area receives 2.1 inches of snow annually. Air quality is rated Good with a median AQI of 40.
Temperature
42°F Jan (5°C)
80°F Jul (27°C)
| Annual Average | 60.9°F |
| 13% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 625 ft (191 m) |
| Area | 5.9 sq mi (15.4 km²) |
| Population Density | 1,089/sq mi |
| Coordinates | 34.9996°N, 80.8167°W |
| Timezone | America/New_York |
| County | Union County County |
| Nearest Airport | Charlotte/Douglas International (CLT) 17 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0475 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 89.1 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 55.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 4.4 in | Coldest |
| February | 44°F (7°C) | 3.8 in | |
| March | 52°F (11°C) | 4.8 in | Wettest |
| April | 60°F (15°C) | 3.0 in | Driest |
| May | 68°F (20°C) | 3.6 in | |
| June | 75°F (24°C) | 4.1 in | |
| July | 80°F (27°C) | 4.5 in | Warmest |
| August | 77°F (25°C) | 4.4 in | |
| September | 72°F (22°C) | 4.1 in | |
| October | 60°F (16°C) | 3.9 in | |
| November | 52°F (11°C) | 3.3 in | |
| December | 44°F (7°C) | 3.5 in |
Marvin has a seasonal temperature swing of 38°F / from 42°F in January to 80°F in July. Total annual precipitation is 47.2 inches, with March being the wettest month (4.8") and April the driest (3.0").