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Fairfax, SC
Full City Profile · South Carolina · Allendale County County
2.6
/5.0
C+
Fair
2,037
Population
615/sq mi density
$41,328
Median Income
$24,462 per capita
$54,400
Home Value
$86,832 Zillow
$702
Median Rent
22.7% income on rent
67°F
Avg Temperature
308 sunny days/yr
963
Violent Crime/100K
3,698 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$41,328 median income, 4.9% unemployment
A+
Affordability
5.0 / 5.0
$54,400 home value, $702/mo rent
F
Safety
1.0 / 5.0
963 violent crimes/100K (154% above avg)
D
Education
1.7 / 5.0
8.5% bachelor's degree or higher
Fairfax enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 51°F in January while summers reach 82°F in July. The area gets 308 sunny days per year. Annual precipitation totals 45.3 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
51°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 66.9°F |
| 24% above US avg | |
| January Average | 51°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 135 ft (41 m) |
| Area | 3.3 sq mi (8.6 km²) |
| Population Density | 615/sq mi |
| Coordinates | 32.9594°N, 81.2362°W |
| Timezone | America/New_York |
| County | Allendale County County |
| Nearest Airport | Barnwell Regional (BNL) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 35.5 / 100 |
| Social Vulnerability | 89.3 / 100 |
| Community Resilience | 6.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very 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 | — | — | 116 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (10°C) | 4.1 in | |
| February | 50°F (10°C) | 3.8 in | |
| March | 58°F (14°C) | 4.3 in | |
| April | 64°F (18°C) | 3.0 in | |
| May | 72°F (22°C) | 4.1 in | |
| June | 78°F (26°C) | 5.5 in | |
| July | 82°F (28°C) | 5.3 in | Warmest |
| August | 80°F (27°C) | 5.8 in | Wettest |
| September | 75°F (24°C) | 3.9 in | |
| October | 65°F (18°C) | 2.5 in | |
| November | 57°F (14°C) | 2.4 in | Driest |
| December | 50°F (10°C) | 3.4 in | Coldest |
Fairfax has a seasonal temperature swing of 33°F / from 50°F in December to 82°F in July. Total annual precipitation is 48.2 inches, with August being the wettest month (5.8") and November the driest (2.4").