Jefferson, SC
Full City Profile · South Carolina · Chesterfield County County
3.1
/5.0
B
Good
753
Population
418/sq mi density
$35,227
Median Income
$27,218 per capita
$125,700
Home Value
$194,501 Zillow
$295
Median Rent
25.7% income on rent
63°F
Avg Temperature
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
C+
Economy
2.5 / 5.0
$35,227 median income, 6.4% unemployment
A+
Affordability
4.7 / 5.0
$125,700 home value, $295/mo rent
D
Education
2.0 / 5.0
12.4% bachelor's degree or higher
Jefferson enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 44°F in January while summers reach 81°F in July. Annual precipitation totals 48.2 inches. The area receives 2.1 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
44°F Jan (6°C)
81°F Jul (27°C)
| Annual Average | 62.5°F |
| 16% above US avg | |
| January Average | 44°F (6°C) |
| July Average | 81°F (27°C) |
Geography
| Elevation | 396 ft (121 m) |
| Area | 1.8 sq mi (4.7 km²) |
| Population Density | 418/sq mi |
| Coordinates | 34.6512°N, 80.3841°W |
| Timezone | America/New_York |
| County | Chesterfield County County |
| Nearest Airport | Hartsville Regional (HVS) 23 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 64.3% |
| Unhealthy Days | 2 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0419 ppm |
| PM2.5 (Fine Particles) | 7.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 74.0 / 100 |
| Social Vulnerability | 83.3 / 100 |
| Community Resilience | 19.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (6°C) | 4.2 in | Coldest |
| February | 47°F (8°C) | 3.3 in | |
| March | 53°F (12°C) | 3.9 in | |
| April | 62°F (17°C) | 3.6 in | |
| May | 70°F (21°C) | 3.1 in | Driest |
| June | 77°F (25°C) | 4.3 in | |
| July | 81°F (27°C) | 4.1 in | Warmest |
| August | 79°F (26°C) | 5.3 in | Wettest |
| September | 74°F (23°C) | 4.4 in | |
| October | 64°F (18°C) | 4.1 in | |
| November | 53°F (11°C) | 3.9 in | |
| December | 46°F (8°C) | 4.1 in |
Jefferson has a seasonal temperature swing of 38°F / from 44°F in January to 81°F in July. Total annual precipitation is 48.2 inches, with August being the wettest month (5.3") and May the driest (3.1").