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St. Simons, GA
Full City Profile · Georgia · Glynn County County
3.8
/5.0
B+
Good
16,026
Population
974/sq mi density
$105,944
Median Income
$71,254 per capita
$484,100
Home Value
$250,684 Zillow
$1,626
Median Rent
23.5% income on rent
69°F
Avg Temperature
301 sunny days/yr
1,414
Violent Crime/100K
7,554 property/100K
B+
Overall
3.8 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$105,944 median income, 1.3% unemployment
A
Affordability
4.1 / 5.0
$484,100 home value, $1,626/mo rent
F
Safety
1.0 / 5.0
1,414 violent crimes/100K (272% above avg)
A+
Education
5.0 / 5.0
55.2% bachelor's degree or higher
St. Simons enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 53°F in January while summers reach 84°F in July. The area gets 301 sunny days per year. Annual precipitation totals 45.4 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
53°F Jan (12°C)
84°F Jul (29°C)
| Annual Average | 69.2°F |
| 28% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 5 ft (2 m) |
| Area | 17.1 sq mi (44.3 km²) |
| Population Density | 974/sq mi |
| Coordinates | 31.1801°N, 81.3854°W |
| Timezone | America/New_York |
| County | Glynn County County |
| Nearest Airport | Jacksonville International (JAX) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0394 ppm |
| PM2.5 (Fine Particles) | 8.2 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.7 / 100 |
| Social Vulnerability | 77.0 / 100 |
| Community Resilience | 93.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Very 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 | 53°F (12°C) | 3.9 in | Coldest |
| February | 54°F (12°C) | 3.7 in | |
| March | 61°F (16°C) | 4.1 in | |
| April | 66°F (19°C) | 2.7 in | |
| May | 74°F (23°C) | 3.2 in | |
| June | 79°F (26°C) | 5.4 in | |
| July | 84°F (29°C) | 5.6 in | Warmest |
| August | 81°F (27°C) | 6.9 in | Wettest |
| September | 78°F (25°C) | 6.5 in | |
| October | 69°F (21°C) | 3.4 in | |
| November | 61°F (16°C) | 2.5 in | Driest |
| December | 54°F (12°C) | 3.0 in |
St. Simons has a seasonal temperature swing of 31°F / from 53°F in January to 84°F in July. Total annual precipitation is 50.8 inches, with August being the wettest month (6.9") and November the driest (2.5").