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Port Royal, SC
Full City Profile · South Carolina · Beaufort County County
3.4
/5.0
B
Good
15,047
Population
885/sq mi density
$70,330
Median Income
$32,843 per capita
$298,000
Home Value
$349,503 Zillow
$1,606
Median Rent
30.0% income on rent
68°F
Avg Temperature
323 sunny days/yr
299
Violent Crime/100K
1,735 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$70,330 median income, 0.6% unemployment
A
Affordability
4.3 / 5.0
$298,000 home value, $1,606/mo rent
F
Safety
1.0 / 5.0
299 violent crimes/100K
B+
Education
4.0 / 5.0
37.3% bachelor's degree or higher
Port Royal enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 51°F in January while summers reach 83°F in July. The area gets 323 sunny days per year. Air quality is rated Good with a median AQI of 43.
Temperature
51°F Jan (11°C)
83°F Jul (28°C)
| Annual Average | 67.8°F |
| 26% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 323 days/yr |
Geography
| Elevation | -5 ft (-2 m) |
| Area | 22.1 sq mi (57.1 km²) |
| Population Density | 885/sq mi |
| Coordinates | 32.3554°N, 80.7003°W |
| Timezone | America/New_York |
| County | Beaufort County County |
| Nearest Airport | Savannah/Hilton Head International (SAV) 33 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 43.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 97.1 / 100 |
| Social Vulnerability | 44.6 / 100 |
| Community Resilience | 66.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
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 | — | — | 89 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 4.0 in | Coldest |
| February | 51°F (11°C) | 3.2 in | |
| March | 58°F (15°C) | 4.0 in | |
| April | 65°F (18°C) | 3.1 in | |
| May | 72°F (22°C) | 3.4 in | |
| June | 78°F (26°C) | 5.6 in | |
| July | 83°F (28°C) | 5.7 in | Warmest |
| August | 80°F (27°C) | 7.2 in | Wettest |
| September | 77°F (25°C) | 5.0 in | |
| October | 67°F (20°C) | 3.1 in | |
| November | 59°F (15°C) | 2.5 in | Driest |
| December | 52°F (11°C) | 3.2 in |
Port Royal has a seasonal temperature swing of 32°F / from 51°F in January to 83°F in July. Total annual precipitation is 50.0 inches, with August being the wettest month (7.2") and November the driest (2.5").