All Countries
Summerton, SC
Full City Profile · South Carolina · Clarendon County County
2.9
/5.0
C+
Fair
709
Population
525/sq mi density
$35,893
Median Income
$25,404 per capita
$153,100
Home Value
$189,445 Zillow
$355
Median Rent
27.0% income on rent
63°F
Avg Temperature
304 sunny days/yr
958
Violent Crime/100K
5,005 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.0 / 5.0
$35,893 median income, 7.9% unemployment
A
Affordability
4.3 / 5.0
$153,100 home value, $355/mo rent
F
Safety
1.0 / 5.0
958 violent crimes/100K (152% above avg)
A
Education
4.1 / 5.0
39.3% bachelor's degree or higher
Summerton 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 304 sunny days per year. Annual precipitation totals 55.7 inches. The area receives 0.5 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
45°F Jan (7°C)
81°F Jul (27°C)
| Annual Average | 63.1°F |
| 17% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 131 ft (40 m) |
| Area | 1.4 sq mi (3.5 km²) |
| Population Density | 525/sq mi |
| Coordinates | 33.6015°N, 80.3526°W |
| Timezone | America/New_York |
| County | Clarendon County County |
| Nearest Airport | Lowcountry Regional (RBW) 50 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 76.5 / 100 |
| Social Vulnerability | 90.9 / 100 |
| Community Resilience | 28.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| 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)
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1886 | CHARLESTON, SC | Earthquake | — | — | 85 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 4.1 in | Coldest |
| February | 49°F (9°C) | 3.7 in | |
| March | 56°F (13°C) | 4.2 in | |
| April | 63°F (17°C) | 2.9 in | |
| May | 71°F (21°C) | 3.7 in | |
| June | 77°F (25°C) | 5.2 in | |
| July | 81°F (27°C) | 5.3 in | Warmest, Wettest |
| August | 79°F (26°C) | 5.3 in | |
| September | 75°F (24°C) | 3.7 in | |
| October | 64°F (18°C) | 2.6 in | |
| November | 56°F (13°C) | 2.5 in | Driest |
| December | 49°F (9°C) | 3.3 in |
Summerton has a seasonal temperature swing of 35°F / from 45°F in January to 81°F in July. Total annual precipitation is 46.5 inches, with July being the wettest month (5.3") and November the driest (2.5").