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Marion, SC
Full City Profile · South Carolina · Marion County County
2.6
/5.0
C+
Fair
6,338
Population
1,415/sq mi density
$27,767
Median Income
$20,016 per capita
$119,400
Home Value
$144,565 Zillow
$624
Median Rent
22.8% income on rent
63°F
Avg Temperature
310 sunny days/yr
863
Violent Crime/100K
5,696 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$27,767 median income, 1.8% unemployment
A
Affordability
4.3 / 5.0
$119,400 home value, $624/mo rent
F
Safety
1.0 / 5.0
863 violent crimes/100K (127% above avg)
C+
Education
2.5 / 5.0
19.3% bachelor's degree or higher
Marion enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 45°F in January while summers reach 81°F in July. The area gets 310 sunny days per year. Annual precipitation totals 49.3 inches. Air quality is rated Good with a median AQI of 43.
Temperature
45°F Jan (7°C)
81°F Jul (27°C)
| Annual Average | 63.2°F |
| 17% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 70 ft (21 m) |
| Area | 4.4 sq mi (11.4 km²) |
| Population Density | 1,415/sq mi |
| Coordinates | 34.1787°N, 79.3957°W |
| Timezone | America/New_York |
| County | Marion County County |
| Nearest Airport | Florence Regional (FLO) 19 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 80.7 / 100 |
| Social Vulnerability | 93.8 / 100 |
| Community Resilience | 26.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 3.9 in | Coldest |
| February | 47°F (8°C) | 3.7 in | |
| March | 54°F (12°C) | 4.4 in | |
| April | 62°F (17°C) | 2.9 in | |
| May | 70°F (21°C) | 3.8 in | |
| June | 77°F (25°C) | 4.8 in | |
| July | 81°F (27°C) | 5.8 in | Warmest, Wettest |
| August | 79°F (26°C) | 5.5 in | |
| September | 74°F (23°C) | 3.7 in | |
| October | 63°F (17°C) | 3.1 in | |
| November | 55°F (13°C) | 2.8 in | Driest |
| December | 47°F (8°C) | 3.3 in |
Marion has a seasonal temperature swing of 36°F / from 45°F in January to 81°F in July. Total annual precipitation is 47.6 inches, with July being the wettest month (5.8") and November the driest (2.8").