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Green Sea, SC
Full City Profile · South Carolina · Columbus County County
2.5
/5.0
C+
Fair
58
Population
33/sq mi density
62°F
Avg Temperature
301 sunny days/yr
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Safety
2.5 / 5.0
0 violent crimes/100K
Green Sea 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. The area gets 301 sunny days per year. Annual precipitation totals 50.9 inches. The area receives 1.2 inches of snow annually. Air quality is rated Good with a median AQI of 43.
Temperature
43°F Jan (6°C)
80°F Jul (27°C)
| Annual Average | 61.8°F |
| 14% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 87 ft (27 m) |
| Area | 1.8 sq mi (4.6 km²) |
| Population Density | 33/sq mi |
| Coordinates | 34.1288°N, 78.9720°W |
| Timezone | America/New_York |
| County | Columbus County County |
| Nearest Airport | Myrtle Beach International (MYR) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.9 / 100 |
| Social Vulnerability | 88.3 / 100 |
| Community Resilience | 23.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Very High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.0 in | Coldest |
| February | 47°F (9°C) | 3.6 in | |
| March | 55°F (13°C) | 4.3 in | |
| April | 62°F (17°C) | 2.9 in | |
| May | 70°F (21°C) | 4.3 in | |
| June | 76°F (25°C) | 5.1 in | |
| July | 80°F (27°C) | 6.0 in | Warmest |
| August | 79°F (26°C) | 6.0 in | Wettest |
| September | 74°F (23°C) | 4.6 in | |
| October | 64°F (18°C) | 2.8 in | |
| November | 55°F (13°C) | 2.8 in | Driest |
| December | 48°F (9°C) | 3.4 in |
Green Sea has a seasonal temperature swing of 36°F / from 43°F in January to 80°F in July. Total annual precipitation is 49.7 inches, with August being the wettest month (6.0") and November the driest (2.8").