Williamston, SC
Full City Profile · South Carolina · Anderson County County
3.0
/5.0
B
Good
4,116
Population
1,075/sq mi density
$62,500
Median Income
$28,908 per capita
$156,700
Home Value
$280,690 Zillow
$860
Median Rent
19.5% income on rent
61°F
Avg Temperature
678
Violent Crime/100K
2,129 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$62,500 median income, 5.3% unemployment
A+
Affordability
5.0 / 5.0
$156,700 home value, $860/mo rent
F
Safety
1.0 / 5.0
678 violent crimes/100K (79% above avg)
C
Education
2.4 / 5.0
17.2% bachelor's degree or higher
Williamston enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 42°F in January while summers reach 79°F in July. Annual precipitation totals 48.0 inches. The area receives 1.4 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
42°F Jan (5°C)
79°F Jul (26°C)
| Annual Average | 60.6°F |
| 12% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 79°F (26°C) |
Geography
| Elevation | 814 ft (248 m) |
| Area | 3.6 sq mi (9.4 km²) |
| Population Density | 1,075/sq mi |
| Coordinates | 34.6195°N, 82.4784°W |
| Timezone | America/New_York |
| County | Anderson County County |
| Nearest Airport | Anderson Regional (AND) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
| Good Days % | 83.5% |
| Unhealthy Days | 1 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0466 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.2 / 100 |
| Social Vulnerability | 37.3 / 100 |
| Community Resilience | 57.2 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 4.3 in | Coldest |
| February | 45°F (7°C) | 3.8 in | |
| March | 52°F (11°C) | 4.7 in | |
| April | 60°F (15°C) | 3.9 in | |
| May | 69°F (20°C) | 3.7 in | |
| June | 76°F (24°C) | 4.0 in | |
| July | 79°F (26°C) | 3.6 in | Warmest |
| August | 78°F (25°C) | 4.7 in | |
| September | 72°F (22°C) | 3.4 in | |
| October | 61°F (16°C) | 3.2 in | Driest |
| November | 51°F (11°C) | 3.8 in | |
| December | 44°F (7°C) | 4.9 in | Wettest |
Williamston has a seasonal temperature swing of 38°F / from 42°F in January to 79°F in July. Total annual precipitation is 48.0 inches, with December being the wettest month (4.9") and October the driest (3.2").