Port Vincent, LA
Full City Profile · Louisiana · Ascension Parish County
3.4
/5.0
B
Good
581
Population
342/sq mi density
$67,538
Median Income
$44,004 per capita
$238,200
Home Value
$224,789 Zillow
$692
Median Rent
23.3% income on rent
69°F
Avg Temperature
B
Overall
3.4 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$67,538 median income, 1.6% unemployment
A+
Affordability
4.7 / 5.0
$238,200 home value, $692/mo rent
D
Education
1.8 / 5.0
9.9% bachelor's degree or higher
Port Vincent enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 52°F in January while summers reach 83°F in July. Annual precipitation totals 65.7 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 33.
Temperature
52°F Jan (11°C)
83°F Jul (28°C)
| Annual Average | 68.5°F |
| 27% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 83°F (28°C) |
Geography
| Elevation | 16 ft (5 m) |
| Area | 0.7 sq mi (1.8 km²) |
| Population Density | 342/sq mi |
| Coordinates | 30.3364°N, 90.8436°W |
| Timezone | America/Chicago |
| County | Ascension Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 42 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 33.0 |
| Rating | Good |
| Good Days % | 91.9% |
| Unhealthy Days | 3 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0401 ppm |
| NO₂ (Nitrogen Dioxide) | 10.0 ppb |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 92.1 / 100 |
| Social Vulnerability | 34.8 / 100 |
| Community Resilience | 84.6 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 5.9 in | Coldest |
| February | 56°F (13°C) | 4.5 in | |
| March | 62°F (17°C) | 4.7 in | |
| April | 68°F (20°C) | 5.1 in | |
| May | 76°F (24°C) | 5.9 in | |
| June | 81°F (27°C) | 7.1 in | Wettest |
| July | 83°F (28°C) | 6.4 in | Warmest |
| August | 83°F (28°C) | 6.4 in | |
| September | 79°F (26°C) | 5.2 in | |
| October | 70°F (21°C) | 4.8 in | |
| November | 59°F (15°C) | 4.4 in | Driest |
| December | 54°F (12°C) | 5.4 in |
Port Vincent has a seasonal temperature swing of 31°F / from 52°F in January to 83°F in July. Total annual precipitation is 65.7 inches, with June being the wettest month (7.1") and November the driest (4.4").