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Weather & Climate in Decatur, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Decatur enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 45°F in January while summers reach 85°F in July. The area gets 330 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 38.9 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 1,010 feet.
Temperature
45°F Jan (7°C)
85°F Jul (29°C)
| Annual Average | 65.0°F |
| 20% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 1,010 ft (308 m) |
| Area | 8.5 sq mi (21.9 km²) |
| Population Density | 761/sq mi |
| Coordinates | 33.2259°N, 97.5870°W |
| Timezone | America/Chicago |
| County | Wise County County |
| Nearest Airport | Fort Worth Meacham International (FTW) 31 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 59.0 / 100 |
| Social Vulnerability | 38.3 / 100 |
| Community Resilience | 17.0 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
177 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 | 94 km | 3 km |
| Nov 28, 2013 | 6 km SSW of Perrin, Texas | M3.7 | 55 km | 5 km |
| Dec 9, 2013 | 8 km S of Perrin, Texas | M3.7 | 53 km | 5 km |
| Sep 25, 2023 | 9 km WNW of Velma, Oklahoma | M3.7 | 141 km | 20 km |
| Nov 20, 2013 | 1 km NNW of Azle, Texas | M3.6 | 35 km | 5 km |
| Jan 7, 2015 | 6 km NE of Irving, Texas | M3.6 | 77 km | 5 km |
| Dec 8, 2013 | 0 km NNE of Sanctuary, Texas | M3.6 | 35 km | 5 km |
| Jan 6, 2015 | 4 km ENE of Irving, Texas | M3.5 | 77 km | 6 km |
| Apr 28, 2013 | 4 km NNW of Oakland, Oklahoma | M3.5 | 124 km | 5 km |
| Jun 24, 2012 | 3 km SSE of Briaroaks, Texas | M3.5 | 88 km | 5 km |
| Mar 4, 2013 | 5 km S of Tishomingo, Oklahoma | M3.5 | 136 km | 5 km |
| Jun 8, 2004 | 6 km N of Lone Grove, Oklahoma | M3.5 | 116 km | 5 km |
| Nov 25, 2013 | 3 km WNW of Sanctuary, Texas | M3.4 | 34 km | 5 km |
| Sep 30, 2012 | 4 km NW of Irving, Texas | M3.4 | 71 km | 5 km |
| May 19, 2018 | 8 km NW of Venus, Texas | M3.4 | 92 km | 5 km |
| Sep 23, 2013 | 4 km WNW of Marietta, Oklahoma | M3.4 | 89 km | 5 km |
| Jan 18, 2012 | 9 km SSE of Godley, Texas | M3.3 | 95 km | 5 km |
| Jun 15, 2012 | 5 km SSE of Briaroaks, Texas | M3.3 | 90 km | 5 km |
| May 16, 2009 | 5 km NNW of Grand Prairie, Texas | M3.3 | 72 km | 9 km |
| May 18, 2015 | 5 km N of Irving, Texas | M3.3 | 71 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
783 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 46 fatalities, 891 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 27, 2024 | EF4 | 87 km | 26.8 mi | 1 |
| May 15, 2013 | EF4 | 92 km | 2.5 mi | 6 |
| Feb 10, 2009 | EF4 | 78 km | 37.0 mi | 8 |
| Apr 25, 1990 | EF4 | 55 km | 10.0 mi | 0 |
| May 25, 2024 | EF3 | 37 km | 47.3 mi | 7 |
| May 25, 2024 | EF3 | 79 km | 0.7 mi | 0 |
| Mar 21, 2022 | EF3 | 72 km | 34.5 mi | 0 |
| Oct 20, 2019 | EF3 | 74 km | 15.8 mi | 0 |
| Apr 16, 2002 | EF3 | 57 km | 2.1 mi | 0 |
| Mar 28, 2000 | EF3 | 70 km | 8.0 mi | 0 |
| Mar 28, 2000 | EF3 | 57 km | 4.0 mi | 2 |
| May 7, 1995 | EF3 | 66 km | 34.1 mi | 3 |
| May 7, 1995 | EF3 | 33 km | 26.0 mi | 2 |
| Apr 2, 1982 | EF3 | 93 km | 0.5 mi | 0 |
| Jun 6, 1979 | EF3 | 96 km | 7.1 mi | 0 |
| May 26, 1976 | EF3 | 78 km | 4.5 mi | 0 |
| May 26, 1976 | EF3 | 93 km | 3.8 mi | 0 |
| Apr 19, 1976 | EF3 | 58 km | 10.4 mi | 0 |
| May 14, 1974 | EF3 | 76 km | 2.0 mi | 0 |
| Nov 24, 1973 | EF3 | 99 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: PK COMPLEX (128,548 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | PK COMPLEX | 128,548 | 98 km |
| 2009 | MONTAGUE COUNTY COMPLEX | 25,907 | 56 km |
| 2009 | APRIL 9TH COMPLEX 1 | 22,099 | 74 km |
| 2009 | TWO MILE HILL COMPLEX | 20,991 | 98 km |
| 2009 | BRUSHY MOUNTAIN | 18,412 | 95 km |
| 2006 | RINGGOLD | 16,382 | 70 km |
| 2009 | APRIL 9TH COMPLEX 2 | 13,805 | 60 km |
| 1996 | HENRIETTA FIRE | 13,629 | 68 km |
| 1996 | POOLVILLE FIRE | 12,128 | 34 km |
| 2022 | DEMPSEY | 11,576 | 76 km |
| 2022 | BIG L | 9,653 | 99 km |
| 2011 | CHERRY HOMES | 7,398 | 45 km |
| 2011 | ENMIN FIRE | 6,618 | 62 km |
| 2009 | MONTAGUE COUNTY COMPLEX | 6,505 | 44 km |
| 2021 | ARROWHEAD | 6,156 | 98 km |
| 2011 | MCDONALD II | 5,932 | 67 km |
| 2011 | 101 RANCH | 5,861 | 92 km |
| 2005 | CALLISBURG | 5,797 | 76 km |
| 1996 | UNNAMED | 5,370 | 66 km |
| 2006 | BURWICK | 4,671 | 69 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 1.6 in | Coldest, Driest |
| February | 48°F (9°C) | 2.1 in | |
| March | 56°F (13°C) | 2.8 in | |
| April | 64°F (18°C) | 3.4 in | |
| May | 71°F (22°C) | 5.0 in | Wettest |
| June | 79°F (26°C) | 3.5 in | |
| July | 85°F (29°C) | 2.3 in | Warmest |
| August | 83°F (28°C) | 2.2 in | |
| September | 76°F (24°C) | 4.0 in | |
| October | 66°F (19°C) | 3.7 in | |
| November | 54°F (12°C) | 2.3 in | |
| December | 45°F (7°C) | 1.7 in |
Decatur has a seasonal temperature swing of 40°F / from 45°F in January to 85°F in July. Total annual precipitation is 34.6 inches, with May being the wettest month (5.0") and January the driest (1.6").