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Weather & Climate in DeQuincy, LA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
DeQuincy 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, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 69.3 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 84 feet.
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 | 84 ft (26 m) |
| Area | 3.2 sq mi (8.2 km²) |
| Population Density | 937/sq mi |
| Coordinates | 30.4490°N, 93.4457°W |
| Timezone | America/Chicago |
| County | Beauregard Parish County |
| Nearest Airport | Chennault International (CWF) 24 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 55.6 / 100 |
| Social Vulnerability | 52.3 / 100 |
| Community Resilience | 29.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively High |
| Ice Storm | Relatively High |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
| Coastal Flood | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.3.
| Jan 20, 2019 | 7 km SSW of San Augustine, Texas | M3.3 | 131 km | 5 km |
| Apr 2, 2024 | 5 km WSW of Chireno, Texas | M3.0 | 146 km | 8 km |
| May 4, 2024 | 5 km WSW of Chireno, Texas | M2.6 | 146 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
19 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Francine | Category 2 | 104 mph | 240 km |
| 2024 | Beryl | Category 1 | 92 mph | 277 km |
| 2021 | Ida | Category 4 | 144 mph | 254 km |
| 2021 | Nicholas | Category 1 | 75 mph | 285 km |
| 2020 | Laura | Category 4 | 150 mph | 7 km |
| 2020 | Delta | Category 2 | 104 mph | 65 km |
| 2019 | Barry | Category 1 | 75 mph | 153 km |
| 2008 | Ike | Category 2 | 109 mph | 163 km |
| 2008 | Gustav | Category 2 | 104 mph | 149 km |
| 2007 | Humberto | Category 1 | 92 mph | 22 km |
| 2005 | Rita | Category 3 | 127 mph | 63 km |
| 2002 | Lili | Category 3 | 121 mph | 121 km |
| 1992 | Andrew | Category 4 | 144 mph | 167 km |
| 1989 | Jerry | Category 1 | 86 mph | 204 km |
| 1989 | Chantal | Category 1 | 81 mph | 132 km |
| 1986 | Bonnie | Category 1 | 86 mph | 102 km |
| 1985 | Juan | Category 1 | 86 mph | 135 km |
| 1985 | Danny | Category 1 | 92 mph | 87 km |
| 1983 | Alicia | Category 3 | 115 mph | 213 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
656 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 30 fatalities, 557 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Nov 7, 1957 | EF4 | 47 km | 12.9 mi | 1 |
| Dec 3, 1953 | EF4 | 79 km | 85.5 mi | 9 |
| Dec 16, 2019 | EF3 | 48 km | 62.6 mi | 1 |
| Mar 2, 1999 | EF3 | 66 km | 12.0 mi | 1 |
| Nov 21, 1992 | EF3 | 47 km | 6.0 mi | 0 |
| May 20, 1984 | EF3 | 73 km | 3.0 mi | 0 |
| May 20, 1983 | EF3 | 79 km | 5.0 mi | 0 |
| Jan 31, 1983 | EF3 | 82 km | 1.0 mi | 0 |
| May 13, 1982 | EF3 | 58 km | 8.5 mi | 1 |
| Oct 29, 1974 | EF3 | 83 km | 31.3 mi | 2 |
| Apr 17, 1973 | EF3 | 35 km | 0.5 mi | 0 |
| Apr 17, 1973 | EF3 | 38 km | 0.5 mi | 0 |
| Feb 12, 1971 | EF3 | 35 km | 3.6 mi | 0 |
| Oct 11, 1970 | EF3 | 72 km | 4.3 mi | 0 |
| May 1, 1967 | EF3 | 55 km | 5.2 mi | 0 |
| Nov 7, 1957 | EF3 | 72 km | 3.6 mi | 2 |
| Nov 7, 1957 | EF3 | 81 km | 1.5 mi | 0 |
| Apr 4, 1952 | EF3 | 63 km | 36.7 mi | 0 |
| Jul 8, 2024 | EF2 | 71 km | 8.6 mi | 0 |
| May 13, 2024 | EF2 | 24 km | 3.4 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: TIGER ISLAND (30,959 acres, 2023).
| Year | Name | Acres Burned | Distance |
| 2023 | TIGER ISLAND | 30,959 | 32 km |
| 2023 | LASBR-BIL-FY23-RX-PRESCRIBED FIRE | 18,392 | 59 km |
| 2005 | LACASSINE POOL | 16,640 | 73 km |
| 2002 | BAYOU COMPLEX | 15,744 | 73 km |
| 1993 | PF UNIT 5 | 15,059 | 65 km |
| 2000 | UNNAMED | 15,017 | 49 km |
| 2007 | UNIT 5 | 13,959 | 64 km |
| 2000 | UNNAMED | 12,496 | 83 km |
| 1990 | U 2 PF 90 1 | 12,490 | 67 km |
| 2005 | UNIT 4 05 01 | 11,749 | 67 km |
| 2003 | UNNAMED | 11,431 | 74 km |
| 2011 | SABINE WEST - 2011 (UNIT 3) | 10,195 | 59 km |
| 1997 | WILD COW BAY | 10,069 | 100 km |
| 2014 | PINTAIL | 9,498 | 59 km |
| 2023 | H AND H COMPLEX | 9,476 | 93 km |
| 1987 | U 1 PF 87 09 | 8,953 | 59 km |
| 1998 | UNIT 1 RX | 8,913 | 58 km |
| 1996 | UNIT 7 | 8,298 | 70 km |
| 2011 | SABINE WEST 2011 UNIT 5 | 8,184 | 70 km |
| 2022 | NORTHLINE | 8,096 | 55 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 5.1 in | Coldest |
| February | 53°F (12°C) | 4.1 in | |
| March | 60°F (16°C) | 4.1 in | |
| April | 67°F (19°C) | 3.5 in | Driest |
| May | 74°F (23°C) | 5.5 in | |
| June | 80°F (26°C) | 5.3 in | |
| July | 82°F (28°C) | 5.4 in | Warmest |
| August | 82°F (28°C) | 4.5 in | |
| September | 77°F (25°C) | 5.6 in | |
| October | 68°F (20°C) | 4.3 in | |
| November | 59°F (15°C) | 4.7 in | |
| December | 52°F (11°C) | 5.7 in | Wettest |
DeQuincy has a seasonal temperature swing of 31°F / from 51°F in January to 82°F in July. Total annual precipitation is 57.7 inches, with December being the wettest month (5.7") and April the driest (3.5").