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Cudjoe Key, FL
Full City Profile · Florida · Monroe County County
2.9
/5.0
C+
Fair
2,478
Population
479/sq mi density
$84,890
Median Income
$57,989 per capita
$707,700
Home Value
$727,008 Zillow
$1,875
Median Rent
38.4% income on rent
78°F
Avg Temperature
330 sunny days/yr
788
Violent Crime/100K
5,102 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
A+
Economy
4.6 / 5.0
$84,890 median income, 2.3% unemployment
D
Affordability
2.0 / 5.0
$707,700 home value, $1,875/mo rent
F
Safety
1.0 / 5.0
788 violent crimes/100K (107% above avg)
A
Education
4.0 / 5.0
37.5% bachelor's degree or higher
Cudjoe Key has a warm climate with an average annual temperature of 78°F (26°C). Winters average 69°F in January while summers reach 85°F in July. The area gets 330 sunny days per year. Annual precipitation totals 46.1 inches. Air quality is rated Good with a median AQI of 41.
Temperature
69°F Jan (21°C)
85°F Jul (29°C)
| Annual Average | 77.6°F |
| 44% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 2 ft (1 m) |
| Area | 10.5 sq mi (27.1 km²) |
| Population Density | 479/sq mi |
| Coordinates | 24.6788°N, 81.4997°W |
| Timezone | America/New_York |
| County | Monroe County County |
| Nearest Airport | Key West International (EYW) 18 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) | 2.2 in | Coldest |
| February | 70°F (21°C) | 1.7 in | Driest |
| March | 73°F (23°C) | 1.8 in | |
| April | 76°F (24°C) | 1.9 in | |
| May | 79°F (26°C) | 4.2 in | |
| June | 82°F (28°C) | 6.3 in | Wettest |
| July | 85°F (29°C) | 3.9 in | Warmest |
| August | 84°F (29°C) | 5.9 in | |
| September | 83°F (28°C) | 6.3 in | |
| October | 80°F (26°C) | 4.6 in | |
| November | 75°F (24°C) | 2.1 in | |
| December | 71°F (22°C) | 1.9 in |
Cudjoe Key has a seasonal temperature swing of 15°F / from 69°F in January to 85°F in July. Total annual precipitation is 42.7 inches, with June being the wettest month (6.3") and February the driest (1.7").