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Weather & Climate in Duncanville, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Duncanville enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 46°F in January while summers reach 84°F in July. The area gets 308 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 41.1 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 705 feet.
Temperature
46°F Jan (8°C)
84°F Jul (29°C)
| Annual Average | 65.6°F |
| 21% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 308 days/yr |
Geography
| Elevation | 705 ft (215 m) |
| Area | 11.2 sq mi (29.0 km²) |
| Population Density | 3,561/sq mi |
| Coordinates | 32.6460°N, 96.9139°W |
| Timezone | America/Chicago |
| County | Dallas County County |
| Nearest Airport | Dallas Love Field (DAL) 14 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very High |
| Risk Score | 99.7 / 100 |
| Social Vulnerability | 59.1 / 100 |
| Community Resilience | 13.0 / 100 |
Hazard Breakdown
| Tornado | Very High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Relatively Low |
| Flood | Very High |
| Hail | Very High |
| Strong Wind | Very High |
| Heat Wave | Very High |
| Winter Weather | Very High |
| Lightning | Very High |
| Ice Storm | Very High |
| Drought | Relatively Low |
| Cold Wave | Very High |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
99 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.0.
| May 7, 2015 | 5 km N of Venus, Texas | M4.0 | 25 km | 3 km |
| Nov 28, 2013 | 6 km SSW of Perrin, Texas | M3.7 | 116 km | 5 km |
| Dec 9, 2013 | 8 km S of Perrin, Texas | M3.7 | 113 km | 5 km |
| Jan 7, 2015 | 6 km NE of Irving, Texas | M3.6 | 22 km | 5 km |
| Nov 20, 2013 | 1 km NNW of Azle, Texas | M3.6 | 67 km | 5 km |
| Dec 8, 2013 | 0 km NNE of Sanctuary, Texas | M3.6 | 69 km | 5 km |
| Jun 24, 2012 | 3 km SSE of Briaroaks, Texas | M3.5 | 40 km | 5 km |
| Jan 6, 2015 | 4 km ENE of Irving, Texas | M3.5 | 21 km | 6 km |
| May 19, 2018 | 8 km NW of Venus, Texas | M3.4 | 30 km | 5 km |
| Sep 23, 2013 | 4 km WNW of Marietta, Oklahoma | M3.4 | 146 km | 5 km |
| May 31, 1997 | 3 km ESE of Neylandville, Texas | M3.4 | 107 km | 5 km |
| Nov 25, 2013 | 3 km WNW of Sanctuary, Texas | M3.4 | 73 km | 5 km |
| Sep 30, 2012 | 4 km NW of Irving, Texas | M3.4 | 23 km | 5 km |
| May 16, 2009 | 5 km NNW of Grand Prairie, Texas | M3.3 | 19 km | 9 km |
| Apr 2, 2015 | 5 km NNE of Irving, Texas | M3.3 | 24 km | 8 km |
| Jun 15, 2012 | 5 km SSE of Briaroaks, Texas | M3.3 | 39 km | 5 km |
| May 18, 2015 | 5 km N of Irving, Texas | M3.3 | 25 km | 5 km |
| Jan 18, 2012 | 9 km SSE of Godley, Texas | M3.3 | 62 km | 5 km |
| May 1, 2024 | 7 km S of Mansfield, Texas | M3.2 | 28 km | 6 km |
| Sep 23, 2013 | 2 km NNE of Marietta, Oklahoma | M3.2 | 147 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2008 | Ike | Category 2 | 98 mph | 238 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
862 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 52 fatalities, 1,677 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 29, 2017 | EF4 | 95 km | 21.4 mi | 2 |
| Dec 26, 2015 | EF4 | 35 km | 13.0 mi | 10 |
| May 15, 2013 | EF4 | 83 km | 2.5 mi | 6 |
| Apr 25, 1994 | EF4 | 16 km | 6.0 mi | 3 |
| Apr 25, 1990 | EF4 | 87 km | 10.0 mi | 0 |
| May 26, 1976 | EF4 | 54 km | 18.8 mi | 0 |
| Mar 31, 1959 | EF4 | 93 km | 10.4 mi | 6 |
| May 25, 2024 | EF3 | 80 km | 0.7 mi | 0 |
| Oct 20, 2019 | EF3 | 25 km | 15.8 mi | 0 |
| Dec 26, 2015 | EF3 | 20 km | 8.5 mi | 0 |
| May 15, 2013 | EF3 | 70 km | 7.8 mi | 0 |
| Apr 3, 2012 | EF3 | 43 km | 7.7 mi | 0 |
| May 9, 2006 | EF3 | 89 km | 9.3 mi | 3 |
| Apr 16, 2002 | EF3 | 42 km | 2.1 mi | 0 |
| May 12, 2000 | EF3 | 93 km | 7.0 mi | 2 |
| Mar 28, 2000 | EF3 | 42 km | 4.0 mi | 2 |
| Mar 28, 2000 | EF3 | 21 km | 8.0 mi | 0 |
| Dec 13, 1984 | EF3 | 28 km | 10.0 mi | 0 |
| May 9, 1981 | EF3 | 76 km | 5.2 mi | 0 |
| May 11, 1978 | EF3 | 75 km | 7.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
10 wildfires (100+ acres) recorded within 100 km. Largest: POOLVILLE FIRE (12,128 acres, 1996).
| Year | Name | Acres Burned | Distance |
| 1996 | POOLVILLE FIRE | 12,128 | 96 km |
| 2011 | BIG TRICKLE RANCH FIRE | 3,623 | 94 km |
| 2008 | UNNAMED | 2,944 | 57 km |
| 2005 | 730 COMPLEX | 2,438 | 98 km |
| 1993 | UNNAMED | 2,431 | 96 km |
| 2018 | FARMERS ROAD | 2,383 | 65 km |
| 1996 | UNNAMED | 2,067 | 72 km |
| 2005 | 200 MOUNTAIN RIDGE | 2,051 | 63 km |
| 1992 | UNNAMED | 1,854 | 74 km |
| 2023 | DOUBLE BACK | 1,275 | 68 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 1.9 in | Coldest, Driest |
| February | 50°F (10°C) | 2.6 in | |
| March | 57°F (14°C) | 3.0 in | |
| April | 65°F (18°C) | 3.7 in | |
| May | 73°F (23°C) | 5.0 in | Wettest |
| June | 80°F (27°C) | 3.3 in | |
| July | 84°F (29°C) | 2.1 in | Warmest |
| August | 84°F (29°C) | 2.1 in | |
| September | 77°F (25°C) | 3.7 in | |
| October | 67°F (19°C) | 3.9 in | |
| November | 55°F (13°C) | 2.4 in | |
| December | 47°F (9°C) | 2.3 in |
Duncanville has a seasonal temperature swing of 39°F / from 46°F in January to 84°F in July. Total annual precipitation is 35.9 inches, with May being the wettest month (5.0") and January the driest (1.9").