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Weather & Climate in Heath, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heath enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°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 38.4 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 508 feet.
Temperature
47°F Jan (8°C)
85°F Jul (29°C)
| Annual Average | 66.4°F |
| 23% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 508 ft (155 m) |
| Area | 10.7 sq mi (27.7 km²) |
| Population Density | 827/sq mi |
| Coordinates | 32.8535°N, 96.4636°W |
| Timezone | America/Chicago |
| County | Rockwall County County |
| Nearest Airport | Dallas Love Field (DAL) 22 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 70.7 / 100 |
| Social Vulnerability | 10.6 / 100 |
| Community Resilience | 86.3 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
109 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 | 73 km | 3 km |
| Dec 9, 2013 | 8 km S of Perrin, Texas | M3.7 | 149 km | 5 km |
| Nov 20, 2013 | 1 km NNW of Azle, Texas | M3.6 | 102 km | 5 km |
| Jan 7, 2015 | 6 km NE of Irving, Texas | M3.6 | 40 km | 5 km |
| Dec 8, 2013 | 0 km NNE of Sanctuary, Texas | M3.6 | 105 km | 5 km |
| Apr 28, 2013 | 4 km NNW of Oakland, Oklahoma | M3.5 | 146 km | 5 km |
| Jan 6, 2015 | 4 km ENE of Irving, Texas | M3.5 | 41 km | 6 km |
| Jun 24, 2012 | 3 km SSE of Briaroaks, Texas | M3.5 | 88 km | 5 km |
| Sep 30, 2012 | 4 km NW of Irving, Texas | M3.4 | 48 km | 5 km |
| Nov 25, 2013 | 3 km WNW of Sanctuary, Texas | M3.4 | 108 km | 5 km |
| May 19, 2018 | 8 km NW of Venus, Texas | M3.4 | 78 km | 5 km |
| Sep 23, 2013 | 4 km WNW of Marietta, Oklahoma | M3.4 | 138 km | 5 km |
| May 31, 1997 | 3 km ESE of Neylandville, Texas | M3.4 | 59 km | 5 km |
| May 16, 2009 | 5 km NNW of Grand Prairie, Texas | M3.3 | 52 km | 9 km |
| Apr 2, 2015 | 5 km NNE of Irving, Texas | M3.3 | 44 km | 8 km |
| Jun 15, 2012 | 5 km SSE of Briaroaks, Texas | M3.3 | 87 km | 5 km |
| Sep 25, 2010 | 5 km ENE of Madill, Oklahoma | M3.3 | 142 km | 5 km |
| May 18, 2015 | 5 km N of Irving, Texas | M3.3 | 46 km | 5 km |
| Jan 18, 2012 | 9 km SSE of Godley, Texas | M3.3 | 110 km | 5 km |
| May 3, 2015 | 4 km N of Irving, Texas | M3.2 | 46 km | 5 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 | 234 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
822 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 46 fatalities, 1,627 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 29, 2017 | EF4 | 78 km | 21.4 mi | 2 |
| Dec 26, 2015 | EF4 | 13 km | 13.0 mi | 10 |
| Apr 25, 1994 | EF4 | 39 km | 6.0 mi | 3 |
| May 25, 2024 | EF3 | 62 km | 0.7 mi | 0 |
| Oct 20, 2019 | EF3 | 42 km | 15.8 mi | 0 |
| Apr 29, 2017 | EF3 | 75 km | 39.7 mi | 2 |
| Dec 26, 2015 | EF3 | 60 km | 8.5 mi | 0 |
| May 10, 2015 | EF3 | 93 km | 10.2 mi | 2 |
| Apr 3, 2012 | EF3 | 12 km | 7.7 mi | 0 |
| May 9, 2006 | EF3 | 58 km | 9.3 mi | 3 |
| Apr 16, 2002 | EF3 | 84 km | 2.1 mi | 0 |
| Mar 28, 2000 | EF3 | 63 km | 8.0 mi | 0 |
| Mar 28, 2000 | EF3 | 84 km | 4.0 mi | 2 |
| Dec 13, 1984 | EF3 | 22 km | 10.0 mi | 0 |
| Apr 2, 1982 | EF3 | 88 km | 32.0 mi | 1 |
| May 3, 1979 | EF3 | 89 km | 7.2 mi | 0 |
| May 5, 1978 | EF3 | 23 km | 29.9 mi | 0 |
| May 26, 1976 | EF3 | 36 km | 4.5 mi | 0 |
| May 14, 1974 | EF3 | 83 km | 2.0 mi | 0 |
| Dec 3, 1973 | EF3 | 74 km | 3.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
2 wildfires (100+ acres) recorded within 100 km. Largest: UNNAMED (1,634 acres, 2006).
| Year | Name | Acres Burned | Distance |
| 2006 | UNNAMED | 1,634 | 81 km |
| 2006 | COOPER LAKE | 1,224 | 78 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 2.1 in | |
| February | 48°F (9°C) | 2.8 in | |
| March | 56°F (13°C) | 3.5 in | |
| April | 64°F (18°C) | 4.1 in | |
| May | 72°F (22°C) | 5.5 in | Wettest |
| June | 79°F (26°C) | 3.7 in | |
| July | 85°F (29°C) | 2.5 in | Warmest |
| August | 83°F (28°C) | 2.0 in | Driest |
| September | 77°F (25°C) | 3.9 in | |
| October | 66°F (19°C) | 4.0 in | |
| November | 55°F (13°C) | 3.0 in | |
| December | 46°F (8°C) | 2.6 in | Coldest |
Heath has a seasonal temperature swing of 39°F / from 46°F in December to 85°F in July. Total annual precipitation is 39.7 inches, with May being the wettest month (5.5") and August the driest (2.0").