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Bayou Gauche, LA
Full City Profile · Louisiana · St. Charles Parish County
3.7
/5.0
B+
Good
1,463
Population
114/sq mi density
$149,107
Median Income
$55,132 per capita
$295,900
Home Value
$221,236 Zillow
71°F
Avg Temperature
317 sunny days/yr
161
Violent Crime/100K
1,535 property/100K
B+
Overall
3.7 / 5.0
Good overall score based on economy, affordability, safety and education
A+
Economy
5.0 / 5.0
$149,107 median income, 0.0% unemployment
A+
Affordability
5.0 / 5.0
$295,900 home value, /mo rent
F
Safety
1.0 / 5.0
161 violent crimes/100K
B+
Education
3.7 / 5.0
33.2% bachelor's degree or higher
Bayou Gauche has a warm climate with an average annual temperature of 71°F (22°C). Winters average 54°F in January while summers reach 84°F in July. The area gets 317 sunny days per year. Annual precipitation totals 63.4 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)
84°F Jul (29°C)
| Annual Average | 70.5°F |
| 31% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | -2 ft (-1 m) |
| Area | 15.8 sq mi (40.9 km²) |
| Population Density | 114/sq mi |
| Coordinates | 29.8069°N, 90.4222°W |
| Timezone | America/Chicago |
| County | St. Charles Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 16 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 85.1 / 100 |
| Social Vulnerability | 41.7 / 100 |
| Community Resilience | 100.0 / 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 | Very Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 5.3 in | Coldest |
| February | 55°F (13°C) | 5.5 in | |
| March | 62°F (17°C) | 5.0 in | |
| April | 68°F (20°C) | 4.5 in | |
| May | 75°F (24°C) | 5.3 in | |
| June | 80°F (27°C) | 5.5 in | |
| July | 84°F (29°C) | 7.2 in | Warmest, Wettest |
| August | 82°F (28°C) | 6.7 in | |
| September | 78°F (26°C) | 6.1 in | |
| October | 70°F (21°C) | 3.5 in | Driest |
| November | 61°F (16°C) | 4.5 in | |
| December | 55°F (13°C) | 5.3 in |
Bayou Gauche has a seasonal temperature swing of 30°F / from 54°F in January to 84°F in July. Total annual precipitation is 64.3 inches, with July being the wettest month (7.2") and October the driest (3.5").