All Countries
Weather & Climate in Delta, LA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Delta enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 48°F in January while summers reach 83°F in July. The area gets 299 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 61.7 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 85 feet.
Temperature
48°F Jan (9°C)
83°F Jul (28°C)
| Annual Average | 66.3°F |
| 23% above US avg | |
| January Average | 48°F (9°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 299 days/yr |
Geography
| Elevation | 85 ft (26 m) |
| Area | 4.4 sq mi (11.5 km²) |
| Population Density | 43/sq mi |
| Coordinates | 32.3222°N, 90.9585°W |
| Timezone | America/Chicago |
| County | Warren County County |
| Nearest Airport | Jackson-Medgar Wiley Evers International (JAN) 52 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 86.3 / 100 |
| Social Vulnerability | 88.6 / 100 |
| Community Resilience | 81.1 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Relatively High |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Very Low |
| Lightning | Relatively Moderate |
| Ice Storm | Relatively Moderate |
| Drought | Very High |
| Cold Wave | Relatively Moderate |
| Landslide | Relatively Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Jan 8, 2019 | 8 km WNW of Hollandale, Mississippi | M3.7 | 97 km | 16 km |
| May 3, 2015 | 7 km SSW of Canton, Mississippi | M3.2 | 87 km | 5 km |
| Jun 29, 2015 | 6 km SSW of Canton, Mississippi | M3.2 | 87 km | 5 km |
| Aug 11, 1996 | 9 km WSW of Shaw, Mississippi | M3.1 | 140 km | 10 km |
| May 3, 2015 | 8 km WSW of Canton, Mississippi | M3.0 | 84 km | 5 km |
| Mar 15, 2025 | 5 km NNE of Magee, Mississippi | M3.0 | 127 km | 10 km |
| Aug 9, 2019 | Mississippi | M2.8 | 90 km | 5 km |
| Aug 17, 2015 | 9 km N of Madison, Mississippi | M2.6 | 83 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
10 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2021 | Ida | Category 3 | 121 mph | 192 km |
| 2020 | Laura | Category 4 | 150 mph | 205 km |
| 2020 | Zeta | Category 2 | 98 mph | 220 km |
| 2017 | Nate | Category 1 | 75 mph | 283 km |
| 2008 | Gustav | Category 2 | 98 mph | 242 km |
| 2005 | Katrina | Category 3 | 121 mph | 154 km |
| 2002 | Lili | Category 1 | — | 288 km |
| 1998 | Georges | Category 2 | 104 mph | 274 km |
| 1992 | Andrew | Category 3 | 92 mph | 215 km |
| 1985 | Elena | Category 3 | 115 mph | 211 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
784 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 307 fatalities, 3,767 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 21, 1971 | EF5 | 49 km | 109.2 mi | 47 |
| Mar 3, 1966 | EF5 | 42 km | 202.5 mi | 58 |
| Dec 5, 1953 | EF5 | 6 km | 9.0 mi | 38 |
| Mar 24, 2023 | EF4 | 58 km | 59.2 mi | 17 |
| Apr 24, 2010 | EF4 | 33 km | 149.0 mi | 10 |
| Nov 24, 2001 | EF4 | 72 km | 11.5 mi | 2 |
| Nov 21, 1992 | EF4 | 79 km | 128.0 mi | 12 |
| Mar 9, 1992 | EF4 | 81 km | 20.0 mi | 0 |
| Mar 29, 1976 | EF4 | 75 km | 22.3 mi | 3 |
| Mar 29, 1976 | EF4 | 67 km | 126.5 mi | 0 |
| Feb 21, 1971 | EF4 | 42 km | 202.1 mi | 58 |
| Feb 21, 1971 | EF4 | 22 km | 65.2 mi | 13 |
| Jan 23, 1969 | EF4 | 72 km | 117.8 mi | 32 |
| Apr 28, 2014 | EF3 | 70 km | 29.7 mi | 1 |
| Apr 15, 2011 | EF3 | 55 km | 16.5 mi | 0 |
| Sep 24, 2005 | EF3 | 87 km | 14.0 mi | 0 |
| Apr 6, 2005 | EF3 | 82 km | 15.0 mi | 0 |
| Nov 23, 2004 | EF3 | 71 km | 18.0 mi | 0 |
| Apr 24, 2003 | EF3 | 91 km | 12.0 mi | 0 |
| Dec 9, 1999 | EF3 | 67 km | 6.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: HOMOCHITTO - BB 7 (3,028 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | HOMOCHITTO - BB 7 | 3,028 | 80 km |
| 2016 | UNNAMED | 2,802 | 80 km |
| 2014 | UNNAMED | 2,444 | 98 km |
| 2013 | UNNAMED | 1,995 | 98 km |
| 2021 | HOMOCHITTO - BB 12 | 1,984 | 88 km |
| 2016 | UNNAMED | 1,888 | 87 km |
| 2014 | UNNAMED | 1,667 | 97 km |
| 2021 | HOMOCHITTO - BB 14 | 1,541 | 90 km |
| 2016 | UNNAMED | 1,527 | 90 km |
| 2021 | HOMOCHITTO - BB 5 | 1,357 | 80 km |
| 2014 | UNNAMED | 1,350 | 98 km |
| 2016 | UNNAMED | 1,312 | 98 km |
| 2017 | UNNAMED | 1,254 | 98 km |
| 2013 | UNNAMED | 1,175 | 99 km |
| 2014 | UNNAMED | 1,167 | 91 km |
| 1988 | UNNAMED | 1,085 | 86 km |
| 2022 | HOMOCHITTO BB 10 | 1,075 | 86 km |
| 2024 | HOMOCHITTO BB56 RX | 1,054 | 92 km |
| 2010 | BURN BLOCK 6S | 943 | 79 km |
| 2020 | HOMOCHITTO BB 47 | 870 | 99 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 48°F (9°C) | 5.6 in | Coldest |
| February | 49°F (9°C) | 5.0 in | |
| March | 57°F (14°C) | 6.2 in | Wettest |
| April | 64°F (18°C) | 5.3 in | |
| May | 71°F (22°C) | 5.2 in | |
| June | 78°F (26°C) | 4.0 in | |
| July | 83°F (28°C) | 4.0 in | Warmest |
| August | 81°F (27°C) | 3.4 in | |
| September | 76°F (25°C) | 3.2 in | Driest |
| October | 65°F (19°C) | 3.7 in | |
| November | 56°F (13°C) | 4.8 in | |
| December | 49°F (9°C) | 6.0 in |
Delta has a seasonal temperature swing of 35°F / from 48°F in January to 83°F in July. Total annual precipitation is 56.4 inches, with March being the wettest month (6.2") and September the driest (3.2").