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St. Martinville, LA
Full City Profile · Louisiana · St. Martin Parish County
2.6
/5.0
C+
Fair
5,367
Population
1,693/sq mi density
$33,132
Median Income
$28,442 per capita
$91,700
Home Value
$126,237 Zillow
$770
Median Rent
40.2% income on rent
68°F
Avg Temperature
313 sunny days/yr
290
Violent Crime/100K
3,626 property/100K
C+
Overall
2.6 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.4 / 5.0
$33,132 median income, 7.9% unemployment
A+
Affordability
5.0 / 5.0
$91,700 home value, $770/mo rent
F
Safety
1.0 / 5.0
290 violent crimes/100K
C
Education
2.2 / 5.0
14.9% bachelor's degree or higher
St. Martinville enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 52°F in January while summers reach 81°F in July. The area gets 313 sunny days per year. Annual precipitation totals 66.8 inches. Air quality is rated Good with a median AQI of 42.
Temperature
52°F Jan (11°C)
81°F Jul (27°C)
| Annual Average | 67.8°F |
| 26% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 1.2 sq mi (3.2 km²) |
| Population Density | 1,693/sq mi |
| Coordinates | 30.1270°N, 91.8311°W |
| Timezone | America/Chicago |
| County | St. Martin Parish County |
| Nearest Airport | Acadiana Regional (ARA) 7 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0410 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 87.3 / 100 |
| Social Vulnerability | 88.0 / 100 |
| Community Resilience | 81.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively High |
| Cold Wave | Relatively High |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 5.1 in | Coldest |
| February | 55°F (13°C) | 4.3 in | |
| March | 61°F (16°C) | 4.4 in | |
| April | 68°F (20°C) | 4.5 in | |
| May | 75°F (24°C) | 5.0 in | |
| June | 80°F (27°C) | 5.9 in | |
| July | 81°F (27°C) | 7.1 in | Wettest |
| August | 82°F (28°C) | 6.3 in | Warmest |
| September | 78°F (25°C) | 5.4 in | |
| October | 69°F (20°C) | 4.1 in | Driest |
| November | 60°F (16°C) | 4.3 in | |
| December | 54°F (12°C) | 5.3 in |
St. Martinville has a seasonal temperature swing of 30°F / from 52°F in January to 82°F in August. Total annual precipitation is 61.4 inches, with July being the wettest month (7.1") and October the driest (4.1").