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Williams, SC
Full City Profile · South Carolina · Dorchester County County
3.0
/5.0
B
Good
116
Population
136/sq mi density
$61,250
Median Income
$25,839 per capita
$89,400
Home Value
$135,540 Zillow
65°F
Avg Temperature
308 sunny days/yr
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.7 / 5.0
$61,250 median income, 4.0% unemployment
A+
Affordability
5.0 / 5.0
$89,400 home value, /mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
D
Education
1.9 / 5.0
11.6% bachelor's degree or higher
Williams enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 47°F in January while summers reach 82°F in July. The area gets 308 sunny days per year. Annual precipitation totals 43.7 inches. Air quality is rated Good with a median AQI of 43.
Temperature
47°F Jan (9°C)
82°F Jul (28°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 47°F (9°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 106 ft (32 m) |
| Area | 0.9 sq mi (2.2 km²) |
| Population Density | 136/sq mi |
| Coordinates | 33.0341°N, 80.8428°W |
| Timezone | America/New_York |
| County | Dorchester County County |
| Nearest Airport | Lowcountry Regional (RBW) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 93.7 / 100 |
| Social Vulnerability | 16.0 / 100 |
| Community Resilience | 57.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| 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 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 | — | — | 80 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (9°C) | 4.0 in | Coldest |
| February | 50°F (10°C) | 3.9 in | |
| March | 57°F (14°C) | 4.3 in | |
| April | 64°F (18°C) | 3.0 in | |
| May | 71°F (22°C) | 4.3 in | |
| June | 77°F (25°C) | 5.5 in | |
| July | 82°F (28°C) | 5.5 in | Warmest |
| August | 79°F (26°C) | 5.8 in | Wettest |
| September | 75°F (24°C) | 3.9 in | |
| October | 65°F (18°C) | 2.7 in | |
| November | 56°F (14°C) | 2.4 in | Driest |
| December | 49°F (10°C) | 3.5 in |
Williams has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 48.7 inches, with August being the wettest month (5.8") and November the driest (2.4").