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Winnsboro Mills, SC
Full City Profile · South Carolina · Fairfield County County
1.8
/5.0
D
Poor
1,426
Population
582/sq mi density
$34,426
Median Income
$19,095 per capita
$979
Median Rent
33.5% income on rent
61°F
Avg Temperature
310 sunny days/yr
383
Violent Crime/100K
5,538 property/100K
D
Overall
1.8 / 5.0
Below average overall score based on economy, affordability, safety and education
D
Economy
1.9 / 5.0
$34,426 median income, 9.4% unemployment
B
Affordability
3.1 / 5.0
F
Safety
1.0 / 5.0
383 violent crimes/100K (1% above avg)
F
Education
1.1 / 5.0
1.6% bachelor's degree or higher
Winnsboro Mills 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 45.1 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
42°F Jan (6°C)
80°F Jul (27°C)
| Annual Average | 61.2°F |
| 13% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 310 days/yr |
Geography
| Elevation | 466 ft (142 m) |
| Area | 2.6 sq mi (6.8 km²) |
| Population Density | 582/sq mi |
| Coordinates | 34.3558°N, 81.0698°W |
| Timezone | America/New_York |
| County | Fairfield County County |
| Nearest Airport | Hartsville Regional (HVS) 54 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 40.8 / 100 |
| Social Vulnerability | 90.1 / 100 |
| Community Resilience | 44.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 4.6 in | Coldest |
| February | 45°F (7°C) | 3.7 in | |
| March | 53°F (12°C) | 4.7 in | Wettest |
| April | 61°F (16°C) | 3.0 in | Driest |
| May | 69°F (20°C) | 3.4 in | |
| June | 76°F (24°C) | 4.2 in | |
| July | 80°F (27°C) | 4.4 in | Warmest |
| August | 78°F (26°C) | 4.5 in | |
| September | 72°F (22°C) | 3.8 in | |
| October | 61°F (16°C) | 3.4 in | |
| November | 53°F (11°C) | 3.1 in | |
| December | 45°F (7°C) | 3.4 in |
Winnsboro Mills has a seasonal temperature swing of 38°F / from 42°F in January to 80°F in July. Total annual precipitation is 46.2 inches, with March being the wettest month (4.7") and April the driest (3.0").