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St. James, LA
Full City Profile · Louisiana · St. James Parish County
2.8
/5.0
C+
Fair
395
Population
47/sq mi density
$36,750
Median Income
$25,961 per capita
$168,800
Home Value
$112,969 Zillow
69°F
Avg Temperature
313 sunny days/yr
519
Violent Crime/100K
2,623 property/100K
C+
Overall
2.8 / 5.0
Fair overall score based on economy, affordability, safety and education
B+
Economy
3.6 / 5.0
$36,750 median income, 0.9% unemployment
A
Affordability
4.1 / 5.0
$168,800 home value, /mo rent
F
Safety
1.0 / 5.0
519 violent crimes/100K (37% above avg)
C+
Education
2.5 / 5.0
19.3% bachelor's degree or higher
St. James enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 53°F in January while summers reach 83°F in July. The area gets 313 sunny days per year. Annual precipitation totals 67.2 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 32.
Temperature
53°F Jan (11°C)
83°F Jul (28°C)
| Annual Average | 69.1°F |
| 28% above US avg | |
| January Average | 53°F (11°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 19 ft (6 m) |
| Area | 9.9 sq mi (25.6 km²) |
| Population Density | 47/sq mi |
| Coordinates | 30.0186°N, 90.8509°W |
| Timezone | America/Chicago |
| County | St. James Parish County |
| Nearest Airport | Louis Armstrong New Orleans International (MSY) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 32.0 |
| Rating | Good |
| Good Days % | 93.4% |
| Unhealthy Days | 3 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0377 ppm |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 71.0 / 100 |
| Social Vulnerability | 79.1 / 100 |
| Community Resilience | 97.4 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Relatively High |
| 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 High |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Relatively High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 53°F (11°C) | 5.6 in | Coldest |
| February | 54°F (12°C) | 5.1 in | |
| March | 61°F (16°C) | 5.2 in | |
| April | 67°F (20°C) | 4.9 in | |
| May | 75°F (24°C) | 5.0 in | |
| June | 80°F (27°C) | 5.7 in | |
| July | 83°F (28°C) | 6.7 in | Warmest, Wettest |
| August | 81°F (27°C) | 6.1 in | |
| September | 78°F (26°C) | 5.7 in | |
| October | 69°F (20°C) | 3.8 in | Driest |
| November | 60°F (16°C) | 4.5 in | |
| December | 54°F (12°C) | 5.3 in |
St. James has a seasonal temperature swing of 31°F / from 53°F in January to 83°F in July. Total annual precipitation is 63.6 inches, with July being the wettest month (6.7") and October the driest (3.8").