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Weather & Climate in Trinity, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Trinity enjoys a temperate climate with an average annual temperature of 69°F (20°C). Winters average 51°F in January while summers reach 84°F in July. The area gets 301 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 43.7 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 230 feet.
Temperature
51°F Jan (11°C)
84°F Jul (29°C)
| Annual Average | 68.7°F |
| 27% above US avg | |
| January Average | 51°F (11°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 301 days/yr |
Geography
| Elevation | 230 ft (70 m) |
| Area | 3.8 sq mi (9.8 km²) |
| Population Density | 604/sq mi |
| Coordinates | 30.9445°N, 95.3736°W |
| Timezone | America/Chicago |
| County | Walker County County |
| Nearest Airport | Conroe/North Houston Regional (CXO) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 73.8 / 100 |
| Social Vulnerability | 71.0 / 100 |
| Community Resilience | 22.5 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| 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 Moderate |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
18 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| May 17, 2012 | 3 km NE of Timpson, Texas | M4.8 | 145 km | 5 km |
| Sep 2, 2013 | 3 km WNW of Timpson, Texas | M4.3 | 140 km | 5 km |
| Sep 2, 2013 | 14 km WNW of Timpson, Texas | M4.2 | 139 km | 5 km |
| Jan 25, 2013 | 11 km SE of Timpson, Texas | M4.1 | 143 km | 5 km |
| May 10, 2012 | 9 km NW of Timpson, Texas | M3.9 | 142 km | 7 km |
| Mar 29, 2025 | 13 km NNE of Wells, Texas | M3.5 | 87 km | 7 km |
| Jan 20, 2019 | 7 km SSW of San Augustine, Texas | M3.3 | 132 km | 5 km |
| Apr 2, 2024 | 5 km WSW of Chireno, Texas | M3.0 | 109 km | 8 km |
| May 31, 2013 | 7 km SE of Timpson, Texas | M2.9 | 142 km | 5 km |
| Dec 7, 2012 | 3 km S of Timpson, Texas | M2.8 | 139 km | 5 km |
| Jan 29, 2013 | 4 km S of Timpson, Texas | M2.8 | 139 km | 5 km |
| Jan 31, 2013 | 7 km WNW of Timpson, Texas | M2.8 | 140 km | 5 km |
| May 20, 2012 | 5 km W of Timpson, Texas | M2.7 | 138 km | 5 km |
| Jul 27, 2019 | 6 km SSW of Timpson, Texas | M2.6 | 135 km | 5 km |
| Dec 22, 2012 | 1 km W of Timpson, Texas | M2.6 | 140 km | 5 km |
| May 4, 2024 | 5 km WSW of Chireno, Texas | M2.6 | 110 km | 6 km |
| May 26, 2012 | 2 km S of Timpson, Texas | M2.5 | 139 km | 5 km |
| Mar 23, 2020 | 6 km NW of Timpson, Texas | M2.5 | 142 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Beryl | Category 1 | 92 mph | 193 km |
| 2021 | Nicholas | Category 1 | 75 mph | 241 km |
| 2020 | Laura | Category 4 | 150 mph | 195 km |
| 2020 | Delta | Category 2 | 104 mph | 253 km |
| 2008 | Ike | Category 2 | 109 mph | 9 km |
| 2007 | Humberto | Category 1 | 92 mph | 176 km |
| 2005 | Rita | Category 3 | 121 mph | 131 km |
| 2003 | Claudette | Category 1 | 92 mph | 294 km |
| 1989 | Chantal | Category 1 | 81 mph | 176 km |
| 1989 | Jerry | Category 1 | 86 mph | 197 km |
| 1986 | Bonnie | Category 1 | 86 mph | 155 km |
| 1985 | Danny | Category 1 | 92 mph | 277 km |
| 1985 | Juan | Category 1 | 86 mph | 293 km |
| 1983 | Alicia | Category 3 | 115 mph | 139 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
389 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 25 fatalities, 422 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 28, 2024 | EF3 | 88 km | 10.3 mi | 0 |
| Apr 22, 2020 | EF3 | 22 km | 28.5 mi | 3 |
| Apr 13, 2019 | EF3 | 55 km | 41.1 mi | 2 |
| Dec 25, 2012 | EF3 | 25 km | 9.7 mi | 0 |
| Dec 23, 2009 | EF3 | 74 km | 4.1 mi | 0 |
| Mar 30, 2002 | EF3 | 60 km | 49.0 mi | 0 |
| Jan 19, 1990 | EF3 | 51 km | 13.0 mi | 0 |
| Nov 15, 1987 | EF3 | 97 km | 33.0 mi | 4 |
| Nov 15, 1987 | EF3 | 79 km | 10.5 mi | 1 |
| Oct 31, 1974 | EF3 | 78 km | 2.0 mi | 0 |
| Mar 20, 1974 | EF3 | 69 km | 0.1 mi | 0 |
| Jun 3, 1973 | EF3 | 94 km | 0.1 mi | 0 |
| Dec 12, 1968 | EF3 | 70 km | 6.2 mi | 0 |
| Sep 22, 1965 | EF3 | 88 km | 0.8 mi | 0 |
| Feb 11, 1965 | EF3 | 100 km | 42.7 mi | 0 |
| Nov 22, 1961 | EF3 | 97 km | 21.9 mi | 1 |
| Oct 22, 1957 | EF3 | 86 km | 4.3 mi | 0 |
| Apr 5, 1956 | EF3 | 100 km | 5.2 mi | 0 |
| May 16, 1953 | EF3 | 37 km | 5.2 mi | 1 |
| Mar 21, 2022 | EF2 | 86 km | 37.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: EAST TEXAS COMPLEX (19,100 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | EAST TEXAS COMPLEX | 19,100 | 43 km |
| 2011 | RILEY ROAD | 18,999 | 90 km |
| 2011 | 502 | 8,344 | 95 km |
| 2021 | UNNAMED | 7,272 | 40 km |
| 2010 | C 32 WFHF | 6,451 | 52 km |
| 2019 | UNNAMED | 6,349 | 61 km |
| 2017 | UNNAMED | 5,827 | 99 km |
| 2010 | RX BURN COMPARTMENT 86-87 | 5,501 | 39 km |
| 2017 | UNNAMED | 5,187 | 39 km |
| 2011 | DYER MILL | 5,170 | 88 km |
| 2013 | UNNAMED | 5,033 | 50 km |
| 2011 | 841 ARBOR | 4,966 | 38 km |
| 2019 | UNNAMED | 4,767 | 39 km |
| 2020 | C-38/39/40 | 4,708 | 57 km |
| 2020 | C-16/17/18/19 | 4,633 | 68 km |
| 2011 | S839 CONCORD ROBBINS | 4,388 | 81 km |
| 2016 | UNNAMED | 4,363 | 63 km |
| 2016 | UNNAMED | 4,302 | 99 km |
| 2018 | UNNAMED | 4,242 | 99 km |
| 2013 | UNNAMED | 4,218 | 54 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 51°F (11°C) | 3.5 in | |
| February | 52°F (11°C) | 3.1 in | |
| March | 60°F (15°C) | 3.2 in | |
| April | 67°F (19°C) | 3.5 in | |
| May | 74°F (23°C) | 4.9 in | Wettest |
| June | 80°F (27°C) | 4.2 in | |
| July | 84°F (29°C) | 2.9 in | Warmest |
| August | 83°F (28°C) | 2.8 in | Driest |
| September | 78°F (26°C) | 4.4 in | |
| October | 68°F (20°C) | 3.5 in | |
| November | 58°F (15°C) | 3.9 in | |
| December | 51°F (10°C) | 3.7 in | Coldest |
Trinity has a seasonal temperature swing of 34°F / from 51°F in December to 84°F in July. Total annual precipitation is 43.6 inches, with May being the wettest month (4.9") and August the driest (2.8").