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St. Joseph, LA
Full City Profile · Louisiana · Jefferson County County
2.4
/5.0
C
Fair
709
Population
797/sq mi density
$33,864
Median Income
$21,182 per capita
$56,100
Home Value
$137,467 Zillow
$746
Median Rent
29.6% income on rent
66°F
Avg Temperature
306 sunny days/yr
359
Violent Crime/100K
3,229 property/100K
C
Overall
2.4 / 5.0
Fair overall score based on economy, affordability, safety and education
C
Economy
2.0 / 5.0
$33,864 median income, 5.4% unemployment
A+
Affordability
5.0 / 5.0
$56,100 home value, $746/mo rent
F
Safety
1.0 / 5.0
359 violent crimes/100K
D
Education
1.7 / 5.0
8.7% bachelor's degree or higher
St. Joseph enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°F in January while summers reach 82°F in July. The area gets 306 sunny days per year. Annual precipitation totals 58.2 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 42.
Temperature
47°F Jan (8°C)
82°F Jul (28°C)
| Annual Average | 65.5°F |
| 21% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 0.3 sq mi (0.9 km²) |
| Population Density | 797/sq mi |
| Coordinates | 31.9203°N, 91.2400°W |
| Timezone | America/Chicago |
| County | Jefferson County County |
| Nearest Airport | Monroe Regional (MLU) 60 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 11.3 / 100 |
| Social Vulnerability | 93.3 / 100 |
| Community Resilience | 26.9 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 6.1 in | Coldest |
| February | 50°F (10°C) | 4.8 in | |
| March | 58°F (14°C) | 6.3 in | Wettest |
| April | 65°F (18°C) | 5.4 in | |
| May | 73°F (23°C) | 5.4 in | |
| June | 79°F (26°C) | 4.2 in | |
| July | 82°F (28°C) | 3.9 in | Warmest |
| August | 81°F (27°C) | 3.5 in | |
| September | 76°F (25°C) | 3.2 in | Driest |
| October | 66°F (19°C) | 3.9 in | |
| November | 57°F (14°C) | 5.0 in | |
| December | 50°F (10°C) | 5.8 in |
St. Joseph has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 57.4 inches, with March being the wettest month (6.3") and September the driest (3.2").