All Countries
Erwinville, LA
Full City Profile · Louisiana · West Baton Rouge Parish County
2.5
/5.0
C+
Fair
2,575
Population
270/sq mi density
$183,400
Home Value
$285,916 Zillow
69°F
Avg Temperature
306 sunny days/yr
C+
Overall
2.5 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Safety
2.9 / 5.0
0 violent crimes/100K
C
Education
2.0 / 5.0
12.7% bachelor's degree or higher
Erwinville enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 52°F in January while summers reach 84°F in July. The area gets 306 sunny days per year. Annual precipitation totals 58.5 inches. The area receives 0.1 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
52°F Jan (11°C)
84°F Jul (29°C)
| Annual Average | 68.8°F |
| 27% above US avg | |
| January Average | 52°F (11°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 9.5 sq mi (24.7 km²) |
| Population Density | 270/sq mi |
| Coordinates | 30.5410°N, 91.3885°W |
| Timezone | America/Chicago |
| County | West Baton Rouge Parish County |
| Nearest Airport | Lafayette Regional/Paul Fournet Field (LFT) 43 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0419 ppm |
| NO₂ (Nitrogen Dioxide) | 11.3 ppb |
| SO₂ (Sulfur Dioxide) | 0.80 ppb |
| PM2.5 (Fine Particles) | 9.3 μg/m³ |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 31.8 / 100 |
| Social Vulnerability | 12.8 / 100 |
| Community Resilience | 79.6 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 52°F (11°C) | 5.7 in | Coldest |
| February | 53°F (12°C) | 5.3 in | |
| March | 60°F (16°C) | 5.1 in | |
| April | 67°F (19°C) | 5.1 in | |
| May | 74°F (23°C) | 5.3 in | |
| June | 80°F (27°C) | 4.8 in | |
| July | 84°F (29°C) | 5.8 in | Warmest, Wettest |
| August | 81°F (27°C) | 5.5 in | |
| September | 77°F (25°C) | 4.9 in | |
| October | 68°F (20°C) | 3.9 in | Driest |
| November | 59°F (15°C) | 4.7 in | |
| December | 53°F (11°C) | 5.8 in |
Erwinville has a seasonal temperature swing of 32°F / from 52°F in January to 84°F in July. Total annual precipitation is 61.9 inches, with July being the wettest month (5.8") and October the driest (3.9").