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Jefferson, SC
Full City Profile · South Carolina · Chesterfield County County
2.6
/5.0
C+
Fair
753
Population
418/sq mi density
$35,227
Median Income
$27,218 per capita
$125,700
Home Value
$189,537 Zillow
$295
Median Rent
25.7% income on rent
63°F
Avg Temperature
310 sunny days/yr
1,203
Violent Crime/100K
6,052 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$35,227 median income, 3.9% unemployment
A+
Affordability
4.7 / 5.0
$125,700 home value, $295/mo rent
F
Safety
1.0 / 5.0
1,203 violent crimes/100K (217% above avg)
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. The area gets 310 sunny days per year. Annual precipitation totals 48.2 inches. Air quality is rated Good with a median AQI of 43.
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) |
| Sunny Days | 310 days/yr |
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 | 43.0 |
| Rating | Good |
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) | 4.5 in | Coldest |
| February | 45°F (7°C) | 3.6 in | |
| March | 53°F (12°C) | 4.5 in | |
| April | 61°F (16°C) | 3.0 in | Driest |
| May | 69°F (20°C) | 3.5 in | |
| June | 76°F (24°C) | 4.3 in | |
| July | 81°F (27°C) | 5.0 in | Warmest, Wettest |
| August | 78°F (26°C) | 4.7 in | |
| September | 73°F (23°C) | 3.9 in | |
| October | 61°F (16°C) | 3.6 in | |
| November | 53°F (11°C) | 3.1 in | |
| December | 45°F (7°C) | 3.3 in |
Jefferson has a seasonal temperature swing of 38°F / from 44°F in January to 81°F in July. Total annual precipitation is 47.1 inches, with July being the wettest month (5.0") and April the driest (3.0").