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St. Stephen, SC
Full City Profile · South Carolina · Berkeley County County
2.8
/5.0
C+
Fair
1,460
Population
545/sq mi density
$59,688
Median Income
$21,692 per capita
$131,400
Home Value
$307,970 Zillow
$764
Median Rent
24.7% income on rent
66°F
Avg Temperature
304 sunny days/yr
995
Violent Crime/100K
3,814 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$59,688 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$131,400 home value, $764/mo rent
F
Safety
1.0 / 5.0
995 violent crimes/100K (162% above avg)
C
Education
2.3 / 5.0
16.0% bachelor's degree or higher
St. Stephen enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 49°F in January while summers reach 83°F in July. The area gets 304 sunny days per year. Annual precipitation totals 52.3 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
49°F Jan (9°C)
83°F Jul (29°C)
| Annual Average | 66.1°F |
| 22% above US avg | |
| January Average | 49°F (9°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 76 ft (23 m) |
| Area | 2.4 sq mi (6.2 km²) |
| Population Density | 545/sq mi |
| Coordinates | 33.4034°N, 79.9256°W |
| Timezone | America/New_York |
| County | Berkeley County County |
| Nearest Airport | Charleston Afb/International (CHS) 36 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0418 ppm |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 94.8 / 100 |
| Social Vulnerability | 14.8 / 100 |
| Community Resilience | 62.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
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 | — | — | 56 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 49°F (9°C) | 4.1 in | Coldest |
| February | 49°F (9°C) | 3.6 in | |
| March | 56°F (13°C) | 4.3 in | |
| April | 63°F (17°C) | 3.0 in | |
| May | 70°F (21°C) | 3.9 in | |
| June | 77°F (25°C) | 5.3 in | |
| July | 83°F (29°C) | 5.8 in | Warmest |
| August | 79°F (26°C) | 6.0 in | Wettest |
| September | 75°F (24°C) | 4.3 in | |
| October | 65°F (18°C) | 3.2 in | |
| November | 56°F (14°C) | 2.5 in | Driest |
| December | 49°F (10°C) | 3.5 in |
St. Stephen has a seasonal temperature swing of 35°F / from 49°F in January to 83°F in July. Total annual precipitation is 49.5 inches, with August being the wettest month (6.0") and November the driest (2.5").