Rio, FL
Full City Profile · Florida · Martin County County
3.7
/5.0
B+
Good
1,265
Population
3,329/sq mi density
$95,865
Median Income
$50,214 per capita
$299,600
Home Value
$372,634 Zillow
75°F
Avg Temperature
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.2 / 5.0
$95,865 median income, 26.4% unemployment
A+
Affordability
4.9 / 5.0
$299,600 home value, /mo rent
B
Education
3.1 / 5.0
25.9% bachelor's degree or higher
Rio has a warm climate with an average annual temperature of 75°F (24°C). Winters average 65°F in January while summers reach 83°F in July. Annual precipitation totals 62.7 inches. The area receives 0.0 inches of snow annually.
Temperature
65°F Jan (18°C)
83°F Jul (28°C)
| Annual Average | 75.3°F |
| 39% above US avg | |
| January Average | 65°F (18°C) |
| July Average | 83°F (28°C) |
Geography
| Elevation | 7 ft (2 m) |
| Area | 0.4 sq mi (1.0 km²) |
| Population Density | 3,329/sq mi |
| Coordinates | 27.2164°N, 80.2408°W |
| Timezone | America/New_York |
| County | Martin County County |
| Nearest Airport | Treasure Coast International (FPR) 21 miles away |
Precipitation & Snow
Air Quality
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 | 65°F (18°C) | 3.0 in | Coldest |
| February | 67°F (20°C) | 2.6 in | Driest |
| March | 70°F (21°C) | 3.8 in | |
| April | 74°F (24°C) | 3.6 in | |
| May | 78°F (26°C) | 5.7 in | |
| June | 82°F (28°C) | 7.4 in | |
| July | 83°F (28°C) | 6.1 in | Warmest |
| August | 83°F (28°C) | 8.5 in | Wettest |
| September | 82°F (28°C) | 8.3 in | |
| October | 78°F (26°C) | 6.5 in | |
| November | 72°F (22°C) | 4.2 in | |
| December | 68°F (20°C) | 3.2 in |
Rio has a seasonal temperature swing of 18°F / from 65°F in January to 83°F in July. Total annual precipitation is 62.7 inches, with August being the wettest month (8.5") and February the driest (2.6").