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St. Marks, FL
Full City Profile · Florida · Wakulla County County
2.5
/5.0
C+
Fair
273
Population
139/sq mi density
$57,083
Median Income
$28,544 per capita
$270,800
Home Value
$284,528 Zillow
$980
Median Rent
51.0% income on rent
69°F
Avg Temperature
306 sunny days/yr
937
Violent Crime/100K
4,841 property/100K
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$57,083 median income, 0.0% unemployment
A
Affordability
4.0 / 5.0
$270,800 home value, $980/mo rent
F
Safety
1.0 / 5.0
937 violent crimes/100K (147% above avg)
F
Education
1.3 / 5.0
3.5% bachelor's degree or higher
St. Marks enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 52°F in January while summers reach 83°F in July. The area gets 306 sunny days per year. Annual precipitation totals 58.8 inches. Air quality is rated Good with a median AQI of 41.
Temperature
52°F Jan (11°C)
83°F Jul (28°C)
| Annual Average | 68.5°F |
| 27% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 13 ft (4 m) |
| Area | 1.9 sq mi (5.0 km²) |
| Population Density | 139/sq mi |
| Coordinates | 30.1661°N, 84.2083°W |
| Timezone | America/New_York |
| County | Wakulla County County |
| Nearest Airport | Tallahassee International (TLH) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0374 ppm |
| SO₂ (Sulfur Dioxide) | 0.84 ppb |
| CO (Carbon Monoxide) | 0.17 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 46.7 / 100 |
| Social Vulnerability | 12.8 / 100 |
| Community Resilience | 42.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Drought | Very Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 4.8 in | Coldest |
| February | 54°F (12°C) | 4.5 in | |
| March | 61°F (16°C) | 5.7 in | |
| April | 67°F (19°C) | 3.5 in | |
| May | 74°F (23°C) | 4.3 in | |
| June | 79°F (26°C) | 6.1 in | |
| July | 83°F (28°C) | 8.2 in | Warmest, Wettest |
| August | 81°F (27°C) | 7.7 in | |
| September | 78°F (26°C) | 5.6 in | |
| October | 70°F (21°C) | 3.2 in | Driest |
| November | 61°F (16°C) | 3.4 in | |
| December | 54°F (12°C) | 4.1 in |
St. Marks has a seasonal temperature swing of 30°F / from 52°F in January to 83°F in July. Total annual precipitation is 61.1 inches, with July being the wettest month (8.2") and October the driest (3.2").