Sulphur, LA
Full City Profile · Louisiana · Calcasieu Parish County
2.9
/5.0
C+
Fair
21,004
Population
1,869/sq mi density
$58,044
Median Income
$30,014 per capita
$175,200
Home Value
$202,468 Zillow
$1,015
Median Rent
27.6% income on rent
70°F
Avg Temperature
376
Violent Crime/100K
2,927 property/100K
C+
Overall
2.9 / 5.0
Fair overall score based on economy, affordability, safety and education
B
Economy
3.4 / 5.0
$58,044 median income, 4.6% unemployment
A+
Affordability
5.0 / 5.0
$175,200 home value, $1,015/mo rent
F
Safety
1.0 / 5.0
376 violent crimes/100K
C
Education
2.3 / 5.0
16.4% bachelor's degree or higher
Sulphur 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. Annual precipitation totals 63.6 inches. The area receives 0.0 inches of snow annually. Air quality is rated Good with a median AQI of 49.
Temperature
53°F Jan (12°C)
84°F Jul (29°C)
| Annual Average | 69.7°F |
| 29% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 84°F (29°C) |
Geography
| Elevation | 15 ft (5 m) |
| Area | 10.0 sq mi (25.9 km²) |
| Population Density | 1,869/sq mi |
| Coordinates | 30.2298°N, 93.3563°W |
| Timezone | America/Chicago |
| County | Calcasieu Parish County |
| Nearest Airport | Lake Charles Regional (LCH) 11 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 49.0 |
| Rating | Good |
| Good Days % | 53.0% |
| Unhealthy Days | 4 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0412 ppm |
| NO₂ (Nitrogen Dioxide) | 8.5 ppb |
| SO₂ (Sulfur Dioxide) | 0.51 ppb |
| PM2.5 (Fine Particles) | 10.9 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 95.7 / 100 |
| Social Vulnerability | 61.3 / 100 |
| Community Resilience | 24.0 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very High |
| Earthquake | Relatively Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively High |
| Hail | Relatively Moderate |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Very High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| 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 | 53°F (12°C) | 6.2 in | Coldest |
| February | 57°F (14°C) | 3.8 in | |
| March | 63°F (17°C) | 3.5 in | Driest |
| April | 69°F (21°C) | 4.9 in | |
| May | 76°F (25°C) | 5.3 in | |
| June | 82°F (28°C) | 6.9 in | Wettest |
| July | 84°F (29°C) | 6.6 in | |
| August | 84°F (29°C) | 6.3 in | Warmest |
| September | 80°F (27°C) | 6.2 in | |
| October | 71°F (22°C) | 4.9 in | |
| November | 61°F (16°C) | 4.2 in | |
| December | 55°F (13°C) | 5.1 in |
Sulphur has a seasonal temperature swing of 31°F / from 53°F in January to 84°F in August. Total annual precipitation is 63.7 inches, with June being the wettest month (6.9") and March the driest (3.5").