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Jamestown, SC
Full City Profile · South Carolina · Berkeley County County
1.5
/5.0
D
Poor
70
Population
115/sq mi density
$1,615
Median Rent
37.1% income on rent
65°F
Avg Temperature
304 sunny days/yr
1,205
Violent Crime/100K
4,819 property/100K
D
Overall
1.5 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
1,205 violent crimes/100K (217% above avg)
D
Education
1.9 / 5.0
11.4% bachelor's degree or higher
Jamestown 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 304 sunny days per year. Annual precipitation totals 51.9 inches. Air quality is rated Good with a median AQI of 43.
Temperature
47°F Jan (8°C)
82°F Jul (28°C)
| Annual Average | 64.6°F |
| 20% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 37 ft (11 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 115/sq mi |
| Coordinates | 33.2859°N, 79.6946°W |
| Timezone | America/New_York |
| County | Berkeley County County |
| Nearest Airport | Charleston Afb/International (CHS) 33 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 | — | — | 52 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 4.0 in | Coldest |
| February | 49°F (10°C) | 3.6 in | |
| March | 56°F (14°C) | 4.3 in | |
| April | 63°F (17°C) | 2.8 in | |
| May | 70°F (21°C) | 3.9 in | |
| June | 77°F (25°C) | 5.4 in | |
| July | 82°F (28°C) | 6.0 in | Warmest |
| August | 79°F (26°C) | 6.5 in | Wettest |
| September | 75°F (24°C) | 4.7 in | |
| October | 65°F (18°C) | 3.4 in | |
| November | 57°F (14°C) | 2.6 in | Driest |
| December | 50°F (10°C) | 3.4 in |
Jamestown has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 50.5 inches, with August being the wettest month (6.5") and November the driest (2.6").