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Gillis, LA
Full City Profile · Louisiana · Calcasieu Parish County
1.2
/5.0
F
Poor
763
Population
457/sq mi density
68°F
Avg Temperature
313 sunny days/yr
2,669
Violent Crime/100K
2,828 property/100K
F
Overall
1.2 / 5.0
Below average overall score based on economy, affordability, safety and education
F
Safety
1.0 / 5.0
2,669 violent crimes/100K (602% above avg)
F
Education
1.5 / 5.0
6.0% bachelor's degree or higher
Gillis enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 51°F in January while summers reach 82°F in July. The area gets 313 sunny days per year. Annual precipitation totals 69.3 inches. Air quality is rated Good with a median AQI of 42.
Temperature
51°F Jan (11°C)
82°F Jul (28°C)
| Annual Average | 67.9°F |
| 26% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 313 days/yr |
Geography
| Elevation | 25 ft (8 m) |
| Area | 1.7 sq mi (4.3 km²) |
| Population Density | 457/sq mi |
| Coordinates | 30.3769°N, 93.1998°W |
| Timezone | America/Chicago |
| County | Calcasieu Parish County |
| Nearest Airport | Chennault International (CWF) 12 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 | 51°F (11°C) | 5.2 in | Coldest |
| February | 53°F (12°C) | 4.1 in | |
| March | 60°F (16°C) | 4.2 in | |
| April | 67°F (19°C) | 3.5 in | Driest |
| May | 74°F (23°C) | 5.6 in | |
| June | 80°F (27°C) | 5.2 in | |
| July | 82°F (28°C) | 5.4 in | Warmest |
| August | 82°F (28°C) | 4.5 in | |
| September | 77°F (25°C) | 5.5 in | |
| October | 68°F (20°C) | 4.3 in | |
| November | 59°F (15°C) | 4.7 in | |
| December | 52°F (11°C) | 5.8 in | Wettest |
Gillis has a seasonal temperature swing of 31°F / from 51°F in January to 82°F in July. Total annual precipitation is 58.0 inches, with December being the wettest month (5.8") and April the driest (3.5").