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Chalmette, LA
Full City Profile · Louisiana · St. Bernard Parish County
2.7
/5.0
C+
Fair
22,447
Population
3,131/sq mi density
$56,875
Median Income
$29,077 per capita
$203,800
Home Value
$210,282 Zillow
$1,089
Median Rent
31.9% income on rent
70°F
Avg Temperature
317 sunny days/yr
236
Violent Crime/100K
2,801 property/100K
C+
Overall
2.7 / 5.0
Fair overall score based on economy, affordability, safety and education
C+
Economy
2.9 / 5.0
$56,875 median income, 5.2% unemployment
A+
Affordability
4.7 / 5.0
$203,800 home value, $1,089/mo rent
F
Safety
1.0 / 5.0
236 violent crimes/100K
C
Education
2.2 / 5.0
14.7% bachelor's degree or higher
Chalmette enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 53°F in January while summers reach 84°F in July. The area gets 317 sunny days per year. Annual precipitation totals 70.4 inches. Air quality is rated Good with a median AQI of 42.
Temperature
53°F Jan (12°C)
84°F Jul (29°C)
| Annual Average | 69.9°F |
| 29% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 317 days/yr |
Geography
| Elevation | 6 ft (2 m) |
| Area | 7.9 sq mi (20.4 km²) |
| Population Density | 3,131/sq mi |
| Coordinates | 29.9440°N, 89.9660°W |
| Timezone | America/Chicago |
| County | St. Bernard Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 18 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0438 ppm |
| SO₂ (Sulfur Dioxide) | 1.52 ppb |
| PM2.5 (Fine Particles) | 8.5 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 75.6 / 100 |
| Social Vulnerability | 42.2 / 100 |
| Community Resilience | 96.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively High |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very 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 | Relatively Moderate |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (12°C) | 5.3 in | Coldest |
| February | 55°F (13°C) | 5.6 in | |
| March | 62°F (16°C) | 5.2 in | |
| April | 68°F (20°C) | 4.6 in | |
| May | 75°F (24°C) | 4.9 in | |
| June | 80°F (27°C) | 5.2 in | |
| July | 84°F (29°C) | 6.7 in | Warmest, Wettest |
| August | 82°F (28°C) | 6.4 in | |
| September | 79°F (26°C) | 5.6 in | |
| October | 70°F (21°C) | 3.1 in | Driest |
| November | 62°F (16°C) | 4.7 in | |
| December | 55°F (13°C) | 5.1 in |
Chalmette has a seasonal temperature swing of 31°F / from 53°F in January to 84°F in July. Total annual precipitation is 62.4 inches, with July being the wettest month (6.7") and October the driest (3.1").