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Sulphur, LA
Full City Profile · Louisiana · Calcasieu Parish County
3.0
/5.0
B
Good
21,004
Population
1,869/sq mi density
$58,044
Median Income
$30,014 per capita
$175,200
Home Value
$197,057 Zillow
$1,015
Median Rent
27.6% income on rent
70°F
Avg Temperature
306 sunny days/yr
327
Violent Crime/100K
4,381 property/100K
B
Overall
3.0 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.7 / 5.0
$58,044 median income, 2.6% unemployment
A+
Affordability
5.0 / 5.0
$175,200 home value, $1,015/mo rent
F
Safety
1.0 / 5.0
327 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. The area gets 306 sunny days per year. Annual precipitation totals 59.8 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 | 69.7°F |
| 29% above US avg | |
| January Average | 53°F (12°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 306 days/yr |
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 | 42.0 |
| Rating | Good |
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) | 5.0 in | |
| February | 54°F (12°C) | 3.9 in | |
| March | 61°F (16°C) | 3.8 in | |
| April | 67°F (19°C) | 3.5 in | Driest |
| May | 75°F (24°C) | 5.5 in | |
| June | 80°F (27°C) | 5.4 in | |
| July | 84°F (29°C) | 5.5 in | Warmest |
| August | 82°F (28°C) | 4.9 in | |
| September | 78°F (25°C) | 5.7 in | Wettest |
| October | 69°F (20°C) | 4.2 in | |
| November | 60°F (15°C) | 4.5 in | |
| December | 53°F (11°C) | 5.4 in | Coldest |
Sulphur has a seasonal temperature swing of 31°F / from 53°F in December to 84°F in July. Total annual precipitation is 57.4 inches, with September being the wettest month (5.7") and April the driest (3.5").