Dulac, LA
Full City Profile · Louisiana · Terrebonne Parish County
3.2
/5.0
B
Good
574
Population
36/sq mi density
$56,563
Median Income
$29,905 per capita
$89,700
Home Value
$110,211 Zillow
$827
Median Rent
18.7% income on rent
70°F
Avg Temperature
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$56,563 median income, 2.5% unemployment
A+
Affordability
5.0 / 5.0
$89,700 home value, $827/mo rent
F
Education
1.3 / 5.0
3.2% bachelor's degree or higher
Dulac 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. Annual precipitation totals 68.0 inches. The area receives 0.0 inches of snow annually.
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) |
Geography
| Elevation | -1 ft (0 m) |
| Area | 16.0 sq mi (41.4 km²) |
| Population Density | 36/sq mi |
| Coordinates | 29.4008°N, 90.6932°W |
| Timezone | America/Chicago |
| County | Terrebonne Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 49 miles away |
Precipitation & Snow
Air Quality
Air Pollutants (EPA 2023)
| PM2.5 (Fine Particles) | 9.7 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 94.2 / 100 |
| Social Vulnerability | 53.2 / 100 |
| Community Resilience | 96.8 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| 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 High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 54°F (12°C) | 5.6 in | Coldest |
| February | 58°F (14°C) | 3.9 in | |
| March | 64°F (18°C) | 4.4 in | |
| April | 69°F (21°C) | 4.5 in | |
| May | 76°F (25°C) | 9.1 in | Wettest |
| June | 81°F (27°C) | 7.4 in | |
| July | 83°F (28°C) | 7.2 in | |
| August | 83°F (28°C) | 7.3 in | Warmest |
| September | 80°F (27°C) | 5.9 in | |
| October | 71°F (22°C) | 4.9 in | |
| November | 62°F (17°C) | 3.7 in | Driest |
| December | 56°F (13°C) | 4.2 in |
Dulac has a seasonal temperature swing of 29°F / from 54°F in January to 83°F in August. Total annual precipitation is 68.0 inches, with May being the wettest month (9.1") and November the driest (3.7").