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Hilton Head Island, SC
Full City Profile · South Carolina · Beaufort County County
3.4
/5.0
B
Good
37,805
Population
914/sq mi density
$96,715
Median Income
$71,788 per capita
$652,100
Home Value
$779,610 Zillow
$1,518
Median Rent
30.9% income on rent
68°F
Avg Temperature
323 sunny days/yr
306
Violent Crime/100K
2,604 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.9 / 5.0
$96,715 median income, 1.2% unemployment
C+
Affordability
2.9 / 5.0
$652,100 home value, $1,518/mo rent
F
Safety
1.0 / 5.0
306 violent crimes/100K
A+
Education
5.0 / 5.0
55.3% bachelor's degree or higher
Hilton Head Island 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 | 23 ft (7 m) |
| Area | 41.4 sq mi (107.1 km²) |
| Population Density | 914/sq mi |
| Coordinates | 32.1903°N, 80.7384°W |
| Timezone | America/New_York |
| County | Beaufort County County |
| Nearest Airport | Savannah/Hilton Head International (SAV) 27 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 | — | — | 105 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 3.9 in | Coldest |
| February | 52°F (11°C) | 3.1 in | |
| March | 58°F (15°C) | 3.9 in | |
| April | 65°F (18°C) | 3.0 in | |
| May | 72°F (22°C) | 3.4 in | |
| June | 78°F (26°C) | 5.5 in | |
| July | 83°F (28°C) | 5.8 in | Warmest |
| August | 80°F (27°C) | 7.4 in | Wettest |
| September | 77°F (25°C) | 5.3 in | |
| October | 68°F (20°C) | 3.2 in | |
| November | 60°F (15°C) | 2.5 in | Driest |
| December | 53°F (11°C) | 3.0 in |
Hilton Head Island 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 (7.4") and November the driest (2.5").