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Olanta, SC
Full City Profile · South Carolina · Williamsburg County County
2.7
/5.0
C+
Fair
703
Population
696/sq mi density
$54,375
Median Income
$22,801 per capita
$109,000
Home Value
$128,280 Zillow
$841
Median Rent
9.0% income on rent
64°F
Avg Temperature
304 sunny days/yr
245
Violent Crime/100K
2,577 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$54,375 median income, 4.5% unemployment
A+
Affordability
5.0 / 5.0
$109,000 home value, $841/mo rent
F
Safety
1.0 / 5.0
245 violent crimes/100K
D
Education
1.9 / 5.0
11.3% bachelor's degree or higher
Olanta enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 46°F in January while summers reach 82°F in July. The area gets 304 sunny days per year. Annual precipitation totals 52.5 inches. The area receives 1.6 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
46°F Jan (8°C)
82°F Jul (28°C)
| Annual Average | 64.1°F |
| 19% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 110 ft (34 m) |
| Area | 1.0 sq mi (2.6 km²) |
| Population Density | 696/sq mi |
| Coordinates | 33.9362°N, 79.9318°W |
| Timezone | America/New_York |
| County | Williamsburg County County |
| Nearest Airport | Florence Regional (FLO) 21 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 82.1 / 100 |
| Social Vulnerability | 90.6 / 100 |
| Community Resilience | 21.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| 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 Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
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 | — | — | 115 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 4.3 in | Coldest |
| February | 48°F (9°C) | 3.5 in | |
| March | 55°F (13°C) | 4.3 in | |
| April | 63°F (17°C) | 3.0 in | |
| May | 70°F (21°C) | 3.7 in | |
| June | 77°F (25°C) | 4.8 in | |
| July | 82°F (28°C) | 5.5 in | Warmest, Wettest |
| August | 79°F (26°C) | 5.2 in | |
| September | 74°F (23°C) | 3.9 in | |
| October | 64°F (18°C) | 2.9 in | |
| November | 55°F (13°C) | 2.6 in | Driest |
| December | 47°F (9°C) | 3.5 in |
Olanta has a seasonal temperature swing of 36°F / from 46°F in January to 82°F in July. Total annual precipitation is 47.2 inches, with July being the wettest month (5.5") and November the driest (2.6").