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Bayou Blue, LA
Full City Profile · Louisiana · Lafourche Parish County
2.8
/5.0
C+
Fair
11,218
Population
482/sq mi density
$60,189
Median Income
$26,775 per capita
$184,200
Home Value
$174,731 Zillow
$1,207
Median Rent
40.3% income on rent
70°F
Avg Temperature
317 sunny days/yr
618
Violent Crime/100K
4,073 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$60,189 median income, 3.5% unemployment
A+
Affordability
5.0 / 5.0
$184,200 home value, $1,207/mo rent
F
Safety
1.0 / 5.0
618 violent crimes/100K (63% above avg)
D
Education
2.0 / 5.0
12.0% bachelor's degree or higher
Bayou Blue 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 317 sunny days per year. Annual precipitation totals 65.4 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 (28°C)
| Annual Average | 69.6°F |
| 29% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 2 ft (1 m) |
| Area | 23.5 sq mi (60.9 km²) |
| Population Density | 482/sq mi |
| Coordinates | 29.6325°N, 90.6690°W |
| Timezone | America/Chicago |
| County | Lafourche Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0390 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 91.4 / 100 |
| Social Vulnerability | 72.4 / 100 |
| Community Resilience | 95.8 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Very Low |
| 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 | 54°F (12°C) | 5.4 in | Coldest |
| February | 56°F (13°C) | 4.7 in | |
| March | 62°F (17°C) | 5.0 in | |
| April | 68°F (20°C) | 4.4 in | |
| May | 75°F (24°C) | 5.5 in | |
| June | 80°F (27°C) | 5.9 in | |
| July | 83°F (28°C) | 7.8 in | Warmest, Wettest |
| August | 82°F (28°C) | 7.0 in | |
| September | 78°F (26°C) | 6.4 in | |
| October | 70°F (21°C) | 3.4 in | Driest |
| November | 62°F (17°C) | 4.4 in | |
| December | 56°F (13°C) | 4.7 in |
Bayou Blue has a seasonal temperature swing of 29°F / from 54°F in January to 83°F in July. Total annual precipitation is 64.7 inches, with July being the wettest month (7.8") and October the driest (3.4").