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Weather & Climate in Stonewall, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Stonewall enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°F in January while summers reach 82°F in July. The area gets 303 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 30.6 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 1,507 feet.
Temperature
47°F Jan (8°C)
82°F Jul (28°C)
| Annual Average | 65.5°F |
| 21% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 303 days/yr |
Geography
| Elevation | 1,507 ft (459 m) |
| Area | 15.2 sq mi (39.4 km²) |
| Population Density | 23/sq mi |
| Coordinates | 30.2536°N, 98.6609°W |
| Timezone | America/Chicago |
| County | Blanco County County |
| Nearest Airport | San Antonio International (SAT) 51 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 33.0 / 100 |
| Social Vulnerability | 45.4 / 100 |
| Community Resilience | 52.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Relatively Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| 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: M3.8.
| Jul 19, 2023 | 19 km E of Pleasanton, Texas | M3.8 | 148 km | 9 km |
| Sep 10, 2014 | 7 km NNE of Charlotte, Texas | M3.2 | 149 km | 5 km |
| Jul 19, 2023 | 18 km E of Pleasanton, Texas | M3.1 | 147 km | 5 km |
| May 14, 2019 | 1 km SSE of Smiley, Texas | M3.1 | 149 km | 5 km |
| May 10, 2019 | 13 km SSE of Stockdale, Texas | M3.0 | 145 km | 5 km |
| Sep 3, 2015 | 7 km NNE of Leander, Texas | M2.9 | 91 km | 5 km |
| Sep 22, 2015 | 14 km SSW of Nixon, Texas | M2.9 | 148 km | 5 km |
| Jan 16, 2015 | 5 km NW of Jourdanton, Texas | M2.8 | 145 km | 5 km |
| Aug 10, 1992 | 4 km NNW of Pleasanton, Texas | M2.8 | 140 km | 5 km |
| Jul 8, 2024 | 18 km SE of Stockdale, Texas | M2.7 | 150 km | 8 km |
| Mar 12, 2018 | 17 km SSW of Nixon, Texas | M2.7 | 149 km | 2 km |
| Mar 6, 2024 | 20 km WSW of Poth, Texas | M2.7 | 148 km | 9 km |
| Mar 13, 2018 | 11 km S of Nixon, Texas | M2.6 | 149 km | 5 km |
| Oct 19, 2024 | 15 km SSE of Stockdale, Texas | M2.5 | 148 km | 8 km |
| Jun 13, 2018 | 15 km SSE of Stockdale, Texas | M2.5 | 147 km | 3 km |
| Feb 19, 2018 | 14 km ENE of Poth, Texas | M2.5 | 146 km | 7 km |
| Jan 30, 2015 | 9 km NNE of Falls City, Texas | M2.5 | 148 km | 5 km |
| Apr 21, 2018 | 9 km S of Stockdale, Texas | M2.5 | 140 km | 6 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
3 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Beryl | Category 1 | 92 mph | 278 km |
| 2017 | Harvey | Category 4 | 132 mph | 217 km |
| 2003 | Claudette | Category 1 | 92 mph | 251 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
310 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 7 fatalities, 178 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 11, 1999 | EF4 | 63 km | 7.0 mi | 1 |
| May 27, 1997 | EF4 | 63 km | 5.6 mi | 1 |
| Apr 28, 1953 | EF4 | 76 km | 1.0 mi | 2 |
| Oct 12, 2001 | EF3 | 1 km | 2.5 mi | 0 |
| May 11, 1999 | EF3 | 52 km | 3.5 mi | 0 |
| May 27, 1997 | EF3 | 87 km | 9.2 mi | 0 |
| May 13, 1994 | EF3 | 51 km | 3.5 mi | 0 |
| Apr 7, 1980 | EF3 | 97 km | 31.7 mi | 1 |
| Mar 2, 1979 | EF3 | 90 km | 7.1 mi | 0 |
| Mar 10, 1973 | EF3 | 67 km | 7.8 mi | 0 |
| May 6, 1969 | EF3 | 92 km | 41.6 mi | 0 |
| May 6, 1969 | EF3 | 19 km | 38.9 mi | 0 |
| Sep 20, 1967 | EF3 | 85 km | 5.0 mi | 0 |
| Nov 22, 1961 | EF3 | 98 km | 1.0 mi | 0 |
| May 10, 1959 | EF3 | 90 km | 11.0 mi | 0 |
| Apr 28, 1953 | EF3 | 79 km | 4.9 mi | 1 |
| Mar 21, 2022 | EF2 | 97 km | 34.6 mi | 0 |
| Feb 19, 2017 | EF2 | 86 km | 4.6 mi | 0 |
| May 28, 2016 | EF2 | 79 km | 4.8 mi | 0 |
| Oct 30, 2015 | EF2 | 96 km | 8.3 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: SAN SABA FIRE (12,896 acres, 1993).
| Year | Name | Acres Burned | Distance |
| 1993 | SAN SABA FIRE | 12,896 | 99 km |
| 2015 | EATON CEMETERY | 10,441 | 74 km |
| 1999 | WILLIAMS RANCH FIRE | 6,226 | 96 km |
| 2011 | SPICEWOOD | 4,239 | 56 km |
| 2011 | JAMES RIVER ROAD | 3,918 | 69 km |
| 1984 | STEWAIT | 3,696 | 28 km |
| 2015 | LOG CABIN | 3,391 | 92 km |
| 2000 | UNNAMED | 2,928 | 98 km |
| 2022 | TRAINING AREA 23 | 2,696 | 63 km |
| 2011 | UNNAMED | 2,654 | 91 km |
| 2007 | ART | 2,623 | 71 km |
| 2014 | HAVELAH | 2,320 | 91 km |
| 2002 | UNNAMED | 2,234 | 44 km |
| 2011 | DOSS | 1,860 | 49 km |
| 2008 | HAVERLAH FIRE | 1,812 | 82 km |
| 2008 | KERR COUNTY COMPLEX | 1,775 | 74 km |
| 2000 | CHEROKEE FIRE | 1,597 | 75 km |
| 2008 | BERTRAM | 1,567 | 88 km |
| 2022 | BUDDY | 1,521 | 15 km |
| 2008 | CR 208 | 1,483 | 94 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 1.6 in | Coldest, Driest |
| February | 51°F (11°C) | 2.0 in | |
| March | 59°F (15°C) | 2.0 in | |
| April | 66°F (19°C) | 2.6 in | |
| May | 73°F (23°C) | 4.5 in | Wettest |
| June | 79°F (26°C) | 3.8 in | |
| July | 82°F (28°C) | 2.1 in | Warmest |
| August | 81°F (27°C) | 2.4 in | |
| September | 76°F (25°C) | 3.6 in | |
| October | 67°F (20°C) | 3.7 in | |
| November | 57°F (14°C) | 2.2 in | |
| December | 50°F (10°C) | 1.7 in |
Stonewall has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 32.2 inches, with May being the wettest month (4.5") and January the driest (1.6").