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Bayou Vista, LA
Full City Profile · Louisiana · St. Mary Parish County
2.6
/5.0
C+
Fair
3,931
Population
2,184/sq mi density
$47,726
Median Income
$33,881 per capita
$152,700
Home Value
$146,819 Zillow
$928
Median Rent
36.3% income on rent
70°F
Avg Temperature
314 sunny days/yr
125
Violent Crime/100K
1,828 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.1 / 5.0
$47,726 median income, 1.2% unemployment
A+
Affordability
4.9 / 5.0
$152,700 home value, $928/mo rent
F
Safety
1.0 / 5.0
125 violent crimes/100K
D
Education
1.6 / 5.0
7.6% bachelor's degree or higher
Bayou Vista enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 54°F in January while summers reach 83°F in July. The area gets 314 sunny days per year. Annual precipitation totals 58.5 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
54°F Jan (12°C)
83°F Jul (29°C)
| Annual Average | 70.1°F |
| 30% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 314 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 1.8 sq mi (4.7 km²) |
| Population Density | 2,184/sq mi |
| Coordinates | 29.6906°N, 91.2670°W |
| Timezone | America/Chicago |
| County | St. Mary Parish County |
| Nearest Airport | Acadiana Regional (ARA) 44 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.9 / 100 |
| Social Vulnerability | 75.6 / 100 |
| Community Resilience | 88.2 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 5.2 in | Coldest |
| February | 55°F (13°C) | 4.7 in | |
| March | 61°F (16°C) | 4.5 in | |
| April | 68°F (20°C) | 4.4 in | |
| May | 74°F (24°C) | 5.0 in | |
| June | 80°F (26°C) | 6.2 in | |
| July | 83°F (29°C) | 7.8 in | Warmest, Wettest |
| August | 81°F (27°C) | 7.4 in | |
| September | 78°F (26°C) | 6.3 in | |
| October | 69°F (21°C) | 3.8 in | Driest |
| November | 61°F (16°C) | 4.3 in | |
| December | 55°F (13°C) | 5.0 in |
Bayou Vista has a seasonal temperature swing of 29°F / from 54°F in January to 83°F in July. Total annual precipitation is 64.5 inches, with July being the wettest month (7.8") and October the driest (3.8").