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St. Augustine South, FL
Full City Profile · Florida · St. Johns County County
3.4
/5.0
B
Good
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
314 sunny days/yr
329
Violent Crime/100K
1,957 property/100K
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
4.5 / 5.0
$74,873 median income, 1.7% unemployment
A
Affordability
4.3 / 5.0
$319,200 home value, $1,452/mo rent
F
Safety
1.0 / 5.0
329 violent crimes/100K
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. The area gets 314 sunny days per year. Annual precipitation totals 50.6 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 41.
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) |
| Sunny Days | 314 days/yr |
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
| AQI Median | 41.0 |
| Rating | Good |
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) | 3.2 in | Coldest |
| February | 58°F (14°C) | 3.6 in | |
| March | 63°F (17°C) | 3.7 in | |
| April | 68°F (20°C) | 2.4 in | |
| May | 75°F (24°C) | 3.5 in | |
| June | 79°F (26°C) | 5.8 in | |
| July | 82°F (28°C) | 5.6 in | Warmest |
| August | 81°F (27°C) | 6.3 in | |
| September | 79°F (26°C) | 6.4 in | Wettest |
| October | 72°F (22°C) | 3.6 in | |
| November | 65°F (18°C) | 2.4 in | Driest |
| December | 59°F (15°C) | 2.9 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 49.2 inches, with September being the wettest month (6.4") and November the driest (2.4").