St. Augustine South, FL
Full City Profile · Florida · St. Johns County County
4.2
/5.0
A
Great
4,864
Population
3,059/sq mi density
$74,873
Median Income
$39,976 per capita
$319,200
Home Value
$272,175 Zillow
$1,452
Median Rent
24.2% income on rent
71°F
Avg Temperature
A
Overall
4.2 / 5.0
Strong
A
Economy
4.4 / 5.0
$74,873 median income, 2.8% unemployment
A
Affordability
4.3 / 5.0
$319,200 home value, $1,452/mo rent
B+
Education
3.9 / 5.0
36.2% bachelor's degree or higher
St. Augustine South has a warm climate with an average annual temperature of 71°F (22°C). Winters average 58°F in January while summers reach 82°F in July. Annual precipitation totals 50.6 inches. The area receives 0.0 inches of snow annually.
Temperature
58°F Jan (14°C)
82°F Jul (28°C)
| Annual Average | 71.2°F |
| 32% above US avg | |
| January Average | 58°F (14°C) |
| July Average | 82°F (28°C) |
Geography
| Elevation | 26 ft (8 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 3,059/sq mi |
| Coordinates | 29.8448°N, 81.3162°W |
| Timezone | America/New_York |
| County | St. Johns County County |
| Nearest Airport | Northeast Florida Regional (UST) 8 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.5 / 100 |
| Social Vulnerability | 11.4 / 100 |
| Community Resilience | 96.3 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | No Rating |
| Lightning | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 58°F (14°C) | 2.7 in | Coldest |
| February | 60°F (16°C) | 2.7 in | |
| March | 65°F (18°C) | 3.4 in | |
| April | 70°F (21°C) | 2.9 in | |
| May | 76°F (25°C) | 3.7 in | |
| June | 80°F (27°C) | 6.3 in | |
| July | 82°F (28°C) | 4.9 in | Warmest |
| August | 82°F (28°C) | 7.2 in | Wettest |
| September | 80°F (27°C) | 7.2 in | |
| October | 74°F (23°C) | 4.4 in | |
| November | 66°F (19°C) | 2.3 in | Driest |
| December | 60°F (16°C) | 3.0 in |
St. Augustine South has a seasonal temperature swing of 25°F / from 58°F in January to 82°F in July. Total annual precipitation is 50.6 inches, with August being the wettest month (7.2") and November the driest (2.3").