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Caswell Beach, NC
Full City Profile · North Carolina · Horry County County
3.7
/5.0
B+
Good
486
Population
164/sq mi density
$125,833
Median Income
$78,667 per capita
$610,900
Home Value
$621,801 Zillow
65°F
Avg Temperature
304 sunny days/yr
62
Violent Crime/100K
2,303 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$125,833 median income, 0.0% unemployment
B+
Affordability
3.9 / 5.0
$610,900 home value, /mo rent
F
Safety
1.0 / 5.0
62 violent crimes/100K
A+
Education
5.0 / 5.0
58.0% bachelor's degree or higher
Caswell Beach enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 48°F in January while summers reach 82°F in July. The area gets 304 sunny days per year. Annual precipitation totals 54.6 inches. Air quality is rated Good with a median AQI of 40.
Temperature
48°F Jan (9°C)
82°F Jul (28°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | -10 ft (-3 m) |
| Area | 4.1 sq mi (10.5 km²) |
| Population Density | 164/sq mi |
| Coordinates | 33.9059°N, 78.0487°W |
| Timezone | America/New_York |
| County | Horry County County |
| Nearest Airport | Wilmington International (ILM) 27 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 40.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0446 ppm |
| PM2.5 (Fine Particles) | 7.8 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.2 / 100 |
| Social Vulnerability | 65.4 / 100 |
| Community Resilience | 66.4 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| 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 High |
| 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)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 4.6 in | Coldest |
| February | 48°F (9°C) | 4.0 in | |
| March | 55°F (13°C) | 4.3 in | |
| April | 62°F (17°C) | 3.0 in | Driest |
| May | 70°F (21°C) | 4.1 in | |
| June | 76°F (25°C) | 5.2 in | |
| July | 82°F (28°C) | 6.7 in | Warmest |
| August | 79°F (26°C) | 7.3 in | |
| September | 75°F (24°C) | 7.7 in | Wettest |
| October | 65°F (18°C) | 3.6 in | |
| November | 57°F (14°C) | 3.3 in | |
| December | 49°F (9°C) | 3.9 in |
Caswell Beach has a seasonal temperature swing of 34°F / from 48°F in January to 82°F in July. Total annual precipitation is 57.8 inches, with September being the wettest month (7.7") and April the driest (3.0").