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Jupiter Island, FL
Full City Profile · Florida · Martin County County
3.0
/5.0
B
Good
871
Population
321/sq mi density
$246,500
Median Income
$230,494 per capita
$2,000,001
Home Value
$9,744,943 Zillow
74°F
Avg Temperature
330 sunny days/yr
107
Violent Crime/100K
642 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$246,500 median income, 9.9% unemployment
C
Affordability
2.1 / 5.0
$2,000,001 home value, /mo rent
F
Safety
1.0 / 5.0
107 violent crimes/100K
A+
Education
5.0 / 5.0
66.0% bachelor's degree or higher
Jupiter Island has a warm climate with an average annual temperature of 74°F (23°C). Winters average 64°F in January while summers reach 82°F in July. The area gets 330 sunny days per year. Annual precipitation totals 64.2 inches. Air quality is rated Good with a median AQI of 41.
Temperature
64°F Jan (18°C)
82°F Jul (28°C)
| Annual Average | 73.7°F |
| 36% above US avg | |
| January Average | 64°F (18°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 3.6 sq mi (9.2 km²) |
| Population Density | 321/sq mi |
| Coordinates | 27.0269°N, 80.1019°W |
| Timezone | America/New_York |
| County | Martin County County |
| Nearest Airport | Palm Beach International (PBI) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 41.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0382 ppm |
| PM2.5 (Fine Particles) | 6.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 94.1 / 100 |
| Social Vulnerability | 69.0 / 100 |
| Community Resilience | 47.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very High |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Low |
| Winter Weather | No Rating |
| Lightning | Relatively High |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 64°F (18°C) | 2.5 in | Coldest |
| February | 65°F (19°C) | 2.8 in | |
| March | 69°F (21°C) | 3.7 in | |
| April | 73°F (23°C) | 2.4 in | |
| May | 77°F (25°C) | 5.4 in | |
| June | 80°F (27°C) | 6.9 in | |
| July | 82°F (28°C) | 6.3 in | |
| August | 82°F (28°C) | 6.1 in | Warmest |
| September | 81°F (27°C) | 7.9 in | Wettest |
| October | 77°F (25°C) | 5.9 in | |
| November | 72°F (22°C) | 3.5 in | |
| December | 67°F (19°C) | 2.3 in | Driest |
Jupiter Island has a seasonal temperature swing of 18°F / from 64°F in January to 82°F in August. Total annual precipitation is 55.7 inches, with September being the wettest month (7.9") and December the driest (2.3").