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Galliano, LA
Full City Profile · Louisiana · Lafourche Parish County
2.8
/5.0
C+
Fair
6,563
Population
589/sq mi density
$53,146
Median Income
$30,334 per capita
$131,400
Home Value
$95,585 Zillow
$775
Median Rent
31.6% income on rent
69°F
Avg Temperature
317 sunny days/yr
194
Violent Crime/100K
48 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$53,146 median income, 3.0% unemployment
A+
Affordability
5.0 / 5.0
$131,400 home value, $775/mo rent
F
Safety
1.0 / 5.0
194 violent crimes/100K
D
Education
1.6 / 5.0
7.4% bachelor's degree or higher
Galliano enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 54°F in January while summers reach 82°F in July. The area gets 317 sunny days per year. Annual precipitation totals 66.7 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)
82°F Jul (28°C)
| Annual Average | 69.4°F |
| 29% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 11.2 sq mi (28.9 km²) |
| Population Density | 589/sq mi |
| Coordinates | 29.4459°N, 90.3077°W |
| Timezone | America/Chicago |
| County | Lafourche Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 38 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) | 4.8 in | Coldest |
| February | 57°F (14°C) | 4.8 in | |
| March | 63°F (17°C) | 4.7 in | |
| April | 68°F (20°C) | 4.1 in | |
| May | 75°F (24°C) | 5.1 in | |
| June | 80°F (27°C) | 5.2 in | |
| July | 82°F (28°C) | 7.2 in | Warmest, Wettest |
| August | 82°F (28°C) | 6.9 in | |
| September | 79°F (26°C) | 6.3 in | |
| October | 71°F (22°C) | 3.4 in | Driest |
| November | 63°F (17°C) | 4.3 in | |
| December | 57°F (14°C) | 4.8 in |
Galliano has a seasonal temperature swing of 29°F / from 54°F in January to 82°F in July. Total annual precipitation is 61.5 inches, with July being the wettest month (7.2") and October the driest (3.4").