Olympia, SC
Full City Profile · South Carolina · Lexington County County
1.2
/5.0
F
Poor
1,301
Population
1,832/sq mi density
$189,200
Home Value
$207,427 Zillow
$1,214
Median Rent
51.0% income on rent
66°F
Avg Temperature
F
Overall
1.2 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Education
1.2 / 5.0
2.2% bachelor's degree or higher
Olympia enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°F in January while summers reach 83°F in July. Annual precipitation totals 43.7 inches. The area receives 1.2 inches of snow annually.
Temperature
47°F Jan (8°C)
83°F Jul (28°C)
| Annual Average | 65.5°F |
| 21% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 83°F (28°C) |
Geography
| Elevation | -358 ft (-109 m) |
| Area | 0.7 sq mi (1.9 km²) |
| Population Density | 1,832/sq mi |
| Coordinates | 33.9739°N, 81.0361°W |
| Timezone | America/New_York |
| County | Lexington County County |
| Nearest Airport | Aiken Regional (AIK) 43 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 7.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 90.9 / 100 |
| Social Vulnerability | 22.4 / 100 |
| Community Resilience | 46.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Moderate |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 3.4 in | Coldest |
| February | 50°F (10°C) | 3.3 in | |
| March | 57°F (14°C) | 3.5 in | |
| April | 65°F (19°C) | 2.7 in | Driest |
| May | 73°F (23°C) | 3.0 in | |
| June | 80°F (27°C) | 4.8 in | |
| July | 83°F (28°C) | 4.8 in | Warmest, Wettest |
| August | 82°F (28°C) | 4.7 in | |
| September | 77°F (25°C) | 4.3 in | |
| October | 66°F (19°C) | 3.1 in | |
| November | 55°F (13°C) | 2.8 in | |
| December | 49°F (10°C) | 3.5 in |
Olympia has a seasonal temperature swing of 36°F / from 47°F in January to 83°F in July. Total annual precipitation is 43.7 inches, with July being the wettest month (4.8") and April the driest (2.7").