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Rio, LA
Full City Profile · Louisiana · Pearl River County County
2.4
/5.0
C
Fair
217
Population
192/sq mi density
67°F
Avg Temperature
313 sunny days/yr
886
Violent Crime/100K
5,619 property/100K
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
886 violent crimes/100K (133% above avg)
B+
Education
3.9 / 5.0
36.1% bachelor's degree or higher
Rio enjoys a temperate climate with an average annual temperature of 67°F (19°C). Winters average 50°F in January while summers reach 82°F in July. The area gets 313 sunny days per year. Annual precipitation totals 63.9 inches. The area receives 0.2 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
50°F Jan (10°C)
82°F Jul (28°C)
| Annual Average | 67.3°F |
| 25% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 101 ft (31 m) |
| Area | 1.1 sq mi (2.9 km²) |
| Population Density | 192/sq mi |
| Coordinates | 30.6914°N, 89.8896°W |
| Timezone | America/Chicago |
| County | Pearl River County County |
| Nearest Airport | Gulfport-Biloxi International (GPT) 53 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.1 / 100 |
| Social Vulnerability | 76.0 / 100 |
| Community Resilience | 22.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 5.6 in | Coldest |
| February | 53°F (12°C) | 6.1 in | |
| March | 60°F (15°C) | 6.3 in | Wettest |
| April | 66°F (19°C) | 5.4 in | |
| May | 73°F (23°C) | 5.4 in | |
| June | 79°F (26°C) | 4.9 in | |
| July | 82°F (28°C) | 6.1 in | Warmest |
| August | 81°F (27°C) | 5.7 in | |
| September | 77°F (25°C) | 4.7 in | |
| October | 67°F (19°C) | 3.1 in | Driest |
| November | 58°F (14°C) | 4.8 in | |
| December | 52°F (11°C) | 5.9 in |
Rio has a seasonal temperature swing of 32°F / from 50°F in January to 82°F in July. Total annual precipitation is 64.0 inches, with March being the wettest month (6.3") and October the driest (3.1").