Aynor, SC
Full City Profile · South Carolina · Marion County County
3.7
/5.0
B+
Good
1,077
Population
598/sq mi density
$70,972
Median Income
$29,299 per capita
$236,000
Home Value
$292,422 Zillow
$1,059
Median Rent
27.9% income on rent
62°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$70,972 median income, 2.6% unemployment
A+
Affordability
4.8 / 5.0
$236,000 home value, $1,059/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
B
Education
3.1 / 5.0
26.4% bachelor's degree or higher
Aynor enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 43°F in January while summers reach 80°F in July. Annual precipitation totals 53.2 inches. The area receives 0.8 inches of snow annually.
Temperature
43°F Jan (6°C)
80°F Jul (27°C)
| Annual Average | 61.9°F |
| 15% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 101 ft (31 m) |
| Area | 1.9 sq mi (4.8 km²) |
| Population Density | 598/sq mi |
| Coordinates | 34.0002°N, 79.2071°W |
| Timezone | America/New_York |
| County | Marion County County |
| Nearest Airport | Myrtle Beach International (MYR) 27 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 80.7 / 100 |
| Social Vulnerability | 93.8 / 100 |
| Community Resilience | 26.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | 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 | - | - | 143 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 3.5 in | Coldest |
| February | 46°F (8°C) | 3.6 in | |
| March | 53°F (12°C) | 3.8 in | |
| April | 61°F (16°C) | 3.5 in | Driest |
| May | 69°F (21°C) | 4.2 in | |
| June | 77°F (25°C) | 5.3 in | |
| July | 80°F (27°C) | 4.6 in | Warmest |
| August | 78°F (26°C) | 6.2 in | Wettest |
| September | 73°F (23°C) | 5.9 in | |
| October | 63°F (17°C) | 4.9 in | |
| November | 52°F (11°C) | 3.8 in | |
| December | 46°F (8°C) | 4.0 in |
Aynor has a seasonal temperature swing of 37°F / from 43°F in January to 80°F in July. Total annual precipitation is 53.2 inches, with August being the wettest month (6.2") and April the driest (3.5").