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Duck Key, FL
Full City Profile · Florida · Monroe County County
3.7
/5.0
B+
Good
755
Population
1,258/sq mi density
$135,000
Median Income
$71,649 per capita
$989,900
Home Value
$864,975 Zillow
$3,501
Median Rent
26.8% income on rent
78°F
Avg Temperature
330 sunny days/yr
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$135,000 median income, 1.4% unemployment
C+
Affordability
2.5 / 5.0
$989,900 home value, $3,501/mo rent
C+
Safety
2.5 / 5.0
0 violent crimes/100K
A+
Education
4.9 / 5.0
48.8% bachelor's degree or higher
Duck Key has a warm climate with an average annual temperature of 78°F (26°C). Winters average 69°F in January while summers reach 84°F in July. The area gets 330 sunny days per year. Annual precipitation totals 40.4 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 41.
Temperature
69°F Jan (21°C)
84°F Jul (29°C)
| Annual Average | 77.5°F |
| 44% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 3 ft (1 m) |
| Area | 0.6 sq mi (1.6 km²) |
| Population Density | 1,258/sq mi |
| Coordinates | 24.7728°N, 80.9095°W |
| Timezone | America/New_York |
| County | Monroe County County |
| Nearest Airport | The Florida Keys Marathon International (MTH) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.6 / 100 |
| Social Vulnerability | 53.9 / 100 |
| Community Resilience | 29.4 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | No Rating |
| Lightning | Relatively High |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Very Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 1.9 in | Coldest |
| February | 70°F (21°C) | 1.7 in | |
| March | 73°F (23°C) | 1.6 in | Driest |
| April | 76°F (24°C) | 1.9 in | |
| May | 80°F (26°C) | 4.9 in | |
| June | 83°F (28°C) | 7.4 in | Wettest |
| July | 84°F (29°C) | 3.9 in | Warmest |
| August | 84°F (29°C) | 5.8 in | |
| September | 83°F (28°C) | 6.8 in | |
| October | 80°F (27°C) | 5.0 in | |
| November | 75°F (24°C) | 2.2 in | |
| December | 71°F (22°C) | 1.7 in |
Duck Key has a seasonal temperature swing of 15°F / from 69°F in January to 84°F in July. Total annual precipitation is 44.7 inches, with June being the wettest month (7.4") and March the driest (1.6").