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Weather & Climate in Hallettsville, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hallettsville has a warm climate with an average annual temperature of 72°F (22°C). Winters average 55°F in January while summers reach 86°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 40.4 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 220 feet.
Temperature
55°F Jan (13°C)
86°F Jul (30°C)
| Annual Average | 71.7°F |
| 33% above US avg | |
| January Average | 55°F (13°C) |
| July Average | 86°F (30°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 220 ft (67 m) |
| Area | 2.7 sq mi (7.1 km²) |
| Population Density | 1,001/sq mi |
| Coordinates | 29.4431°N, 96.9435°W |
| Timezone | America/Chicago |
| County | Lavaca County County |
| Nearest Airport | Victoria Regional (VCT) 41 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Low |
| Risk Score | 78.9 / 100 |
| Social Vulnerability | 62.4 / 100 |
| Community Resilience | 62.7 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Moderate |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Relatively Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Moderate |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Moderate |
| 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: M4.8.
| Oct 20, 2011 | 14 km SSW of Falls City, Texas | M4.8 | 128 km | 5 km |
| Jan 30, 2025 | 18 km ENE of Falls City, Texas | M4.6 | 98 km | 7 km |
| Feb 17, 2024 | 3 km SSW of Falls City, Texas | M4.5 | 119 km | 7 km |
| Feb 17, 2024 | 3 km S of Falls City, Texas | M4.3 | 118 km | 8 km |
| Apr 9, 1993 | 21 km NW of Pawnee, Texas | M4.1 | 135 km | 5 km |
| Sep 14, 2023 | 16 km ENE of Falls City, Texas | M4.1 | 100 km | 8 km |
| May 1, 2018 | 4 km SSE of Falls City, Texas | M4.0 | 117 km | 5 km |
| Apr 7, 2008 | 7 km SSW of Falls City, Texas | M3.9 | 121 km | 5 km |
| Feb 17, 2024 | 3 km S of Falls City, Texas | M3.9 | 118 km | 8 km |
| Feb 22, 2024 | 3 km E of Falls City, Texas | M3.9 | 113 km | 8 km |
| Jul 19, 2023 | 19 km E of Pleasanton, Texas | M3.8 | 140 km | 9 km |
| Feb 12, 2024 | 3 km S of Falls City, Texas | M3.7 | 118 km | 7 km |
| Feb 17, 2024 | 2 km S of Falls City, Texas | M3.7 | 118 km | 8 km |
| Jan 6, 2018 | 17 km SW of Falls City, Texas | M3.6 | 132 km | 5 km |
| Jul 20, 1991 | 8 km SSW of Falls City, Texas | M3.6 | 122 km | 10 km |
| Jun 16, 2019 | 5 km SE of Falls City, Texas | M3.6 | 115 km | 5 km |
| Jan 31, 2025 | 19 km ENE of Falls City, Texas | M3.5 | 96 km | 7 km |
| Feb 23, 2024 | 2 km ESE of Falls City, Texas | M3.5 | 114 km | 8 km |
| May 2, 2024 | 2 km E of Falls City, Texas | M3.5 | 114 km | 7 km |
| Feb 9, 2024 | 3 km S of Falls City, Texas | M3.4 | 118 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
13 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 | 93 km |
| 2021 | Nicholas | Category 1 | 75 mph | 140 km |
| 2020 | Hanna | Category 1 | 92 mph | 276 km |
| 2017 | Harvey | Category 4 | 132 mph | 90 km |
| 2008 | Ike | Category 2 | 109 mph | 193 km |
| 2007 | Humberto | Category 1 | 92 mph | 229 km |
| 2005 | Rita | Category 1 | 75 mph | 298 km |
| 2003 | Claudette | Category 1 | 92 mph | 94 km |
| 1999 | Bret | Category 3 | 115 mph | 284 km |
| 1989 | Chantal | Category 1 | 81 mph | 247 km |
| 1989 | Jerry | Category 1 | 86 mph | 190 km |
| 1986 | Bonnie | Category 1 | 86 mph | 260 km |
| 1983 | Alicia | Category 3 | 115 mph | 143 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
433 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 5 fatalities, 134 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Dec 24, 1975 | EF3 | 64 km | 1.0 mi | 0 |
| Nov 5, 1968 | EF3 | 72 km | 14.4 mi | 0 |
| Sep 20, 1967 | EF3 | 16 km | 4.3 mi | 0 |
| Sep 20, 1967 | EF3 | 58 km | 0.1 mi | 0 |
| Sep 20, 1967 | EF3 | 81 km | 19.9 mi | 0 |
| Sep 20, 1967 | EF3 | 9 km | 2.0 mi | 0 |
| Sep 20, 1967 | EF3 | 81 km | 19.9 mi | 0 |
| Mar 28, 1966 | EF3 | 59 km | 9.3 mi | 0 |
| Feb 9, 1966 | EF3 | 59 km | 2.0 mi | 0 |
| Apr 19, 1965 | EF3 | 91 km | 0.2 mi | 1 |
| Nov 22, 1961 | EF3 | 84 km | 2.0 mi | 0 |
| Mar 20, 1957 | EF3 | 98 km | 16.9 mi | 0 |
| Mar 20, 1957 | EF3 | 93 km | 7.2 mi | 0 |
| Dec 1, 1953 | EF3 | 96 km | 5.1 mi | 0 |
| Apr 28, 1953 | EF3 | 66 km | 0.5 mi | 0 |
| Jun 5, 1950 | EF3 | 97 km | 23.9 mi | 0 |
| Mar 21, 2022 | EF2 | 84 km | 7.9 mi | 0 |
| May 3, 2019 | EF2 | 52 km | 2.4 mi | 0 |
| May 10, 2012 | EF2 | 32 km | 0.6 mi | 0 |
| Jul 21, 2007 | EF2 | 99 km | 2.0 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
12 wildfires (100+ acres) recorded within 100 km. Largest: BASTROP COUNTY COMPLEX (31,838 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | BASTROP COUNTY COMPLEX | 31,838 | 81 km |
| 2011 | DELHI | 4,735 | 62 km |
| 2015 | HIDDEN PINES | 3,807 | 75 km |
| 2011 | BAILEY | 3,136 | 57 km |
| 2011 | LUTHERHILL | 2,215 | 60 km |
| 2009 | REESE LANE | 1,888 | 58 km |
| 2017 | SALEM RD | 1,672 | 59 km |
| 2022 | LUCCAH | 1,522 | 92 km |
| 2009 | WILDERNESS RIDGE | 1,278 | 75 km |
| 2008 | TOWER ROAD FIRE | 1,164 | 78 km |
| 2009 | EL TORRO | 1,108 | 62 km |
| 1998 | PRAUSE PRAIRIE | 1,027 | 71 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 55°F (13°C) | 2.8 in | |
| February | 55°F (13°C) | 2.4 in | |
| March | 62°F (17°C) | 2.4 in | Driest |
| April | 68°F (20°C) | 3.1 in | |
| May | 75°F (24°C) | 5.6 in | Wettest |
| June | 81°F (27°C) | 4.7 in | |
| July | 86°F (30°C) | 2.4 in | Warmest |
| August | 83°F (29°C) | 2.8 in | |
| September | 79°F (26°C) | 4.7 in | |
| October | 71°F (22°C) | 3.8 in | |
| November | 61°F (16°C) | 3.2 in | |
| December | 54°F (12°C) | 2.6 in | Coldest |
Hallettsville has a seasonal temperature swing of 32°F / from 54°F in December to 86°F in July. Total annual precipitation is 40.3 inches, with May being the wettest month (5.6") and March the driest (2.4").