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Lafourche Crossing, LA
Full City Profile · Louisiana · St. Charles Parish County
3.2
/5.0
B
Good
2,439
Population
579/sq mi density
$78,173
Median Income
$32,030 per capita
$257,600
Home Value
$223,785 Zillow
$1,573
Median Rent
51.0% income on rent
70°F
Avg Temperature
317 sunny days/yr
542
Violent Crime/100K
4,202 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.8 / 5.0
$78,173 median income, 0.5% unemployment
A+
Affordability
4.8 / 5.0
$257,600 home value, $1,573/mo rent
F
Safety
1.0 / 5.0
542 violent crimes/100K (43% above avg)
B
Education
3.3 / 5.0
28.4% bachelor's degree or higher
Lafourche Crossing enjoys a temperate climate with an average annual temperature of 70°F (21°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 71.1 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 | 70.1°F |
| 30% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 9 ft (3 m) |
| Area | 4.2 sq mi (10.9 km²) |
| Population Density | 579/sq mi |
| Coordinates | 29.7675°N, 90.7697°W |
| Timezone | America/Chicago |
| County | St. Charles Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 34 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) | 5.7 in | Coldest |
| February | 55°F (13°C) | 5.0 in | |
| March | 62°F (17°C) | 5.3 in | |
| April | 68°F (20°C) | 4.7 in | |
| May | 75°F (24°C) | 5.8 in | |
| June | 80°F (26°C) | 6.1 in | |
| July | 84°F (29°C) | 7.6 in | Warmest, Wettest |
| August | 81°F (27°C) | 6.8 in | |
| September | 78°F (26°C) | 6.2 in | |
| October | 69°F (21°C) | 3.7 in | Driest |
| November | 61°F (16°C) | 4.6 in | |
| December | 55°F (13°C) | 5.1 in |
Lafourche Crossing has a seasonal temperature swing of 29°F / from 54°F in January to 84°F in July. Total annual precipitation is 66.5 inches, with July being the wettest month (7.6") and October the driest (3.7").