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Weather & Climate in Sanderson, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanderson 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 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 14.3 inches (drier than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 2,867 feet.
Temperature
47°F Jan (8°C)
82°F Jul (28°C)
| Annual Average | 65.8°F |
| 22% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 2,867 ft (874 m) |
| Area | 4.2 sq mi (10.9 km²) |
| Population Density | 162/sq mi |
| Coordinates | 30.1508°N, 102.4079°W |
| Timezone | America/Chicago |
| County | Terrell County County |
| Nearest Airport | Del Rio International (DRT) 104 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 0.4 / 100 |
| Social Vulnerability | 72.7 / 100 |
| Community Resilience | 4.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
171 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.7.
| Apr 14, 1995 | 13 km NW of Marathon, Texas | M5.7 | 92 km | 18 km |
| May 14, 2015 | 84 km S of Sanderson, Texas | M4.0 | 86 km | 16 km |
| Apr 15, 1995 | 10 km NW of Marathon, Texas | M4.0 | 89 km | 10 km |
| Aug 5, 2023 | 10 km E of Study Butte, Texas | M3.7 | 134 km | 0 km |
| Nov 12, 1995 | 14 km NW of Marathon, Texas | M3.6 | 92 km | 10 km |
| Jan 24, 2012 | 17 km NW of Marathon, Texas | M3.6 | 95 km | 5 km |
| Sep 6, 2016 | 22 km WSW of Coyanosa, Texas | M3.6 | 144 km | 2 km |
| Apr 15, 1998 | 5 km WSW of Marathon, Texas | M3.6 | 86 km | 10 km |
| Jun 1, 1995 | 14 km NW of Marathon, Texas | M3.5 | 92 km | 10 km |
| Jan 30, 2020 | western Texas | M3.4 | 137 km | 5 km |
| Aug 4, 2015 | 22 km WSW of Coyanosa, Texas | M3.3 | 140 km | 5 km |
| Apr 4, 2020 | 28 km ESE of Balmorhea, Texas | M3.3 | 130 km | 5 km |
| Apr 4, 2015 | 19 km WSW of Coyanosa, Texas | M3.3 | 137 km | 5 km |
| May 24, 2021 | 37 km E of Balmorhea, Texas | M3.3 | 127 km | 5 km |
| Feb 17, 2011 | 11 km SSW of Marathon, Texas | M3.3 | 86 km | 5 km |
| Feb 4, 2022 | 24 km SSW of Coyanosa, Texas | M3.3 | 121 km | 22 km |
| Apr 14, 1995 | 14 km NW of Marathon, Texas | M3.3 | 92 km | 10 km |
| Oct 22, 2017 | 26 km WSW of Coyanosa, Texas | M3.3 | 145 km | 5 km |
| Feb 20, 2016 | 25 km W of Coyanosa, Texas | M3.3 | 148 km | 3 km |
| Jul 31, 2019 | 9 km N of Coyanosa, Texas | M3.3 | 145 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
80 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 2024 | EF3 | 2 km | 0.9 mi | 0 |
| Sep 21, 1965 | EF3 | 61 km | 10.0 mi | 0 |
| May 4, 1961 | EF3 | 42 km | 1.1 mi | 0 |
| May 4, 2024 | EF2 | 96 km | 20.1 mi | 0 |
| May 4, 2024 | EF2 | 82 km | 6.4 mi | 0 |
| Apr 21, 2011 | EF2 | 7 km | 7.8 mi | 0 |
| Apr 29, 2009 | EF2 | 47 km | 0.3 mi | 0 |
| Apr 15, 1990 | EF2 | 93 km | 3.5 mi | 0 |
| Aug 10, 1965 | EF2 | 2 km | 0.5 mi | 0 |
| Jun 9, 1962 | EF2 | 54 km | 0.2 mi | 0 |
| May 16, 1961 | EF2 | 95 km | 0.1 mi | 0 |
| Apr 21, 1960 | EF2 | 90 km | 0.3 mi | 0 |
| Jun 1, 1954 | EF2 | 84 km | 8.3 mi | 0 |
| Jun 2, 2024 | EF1 | 1 km | 0.4 mi | 0 |
| Jun 2, 2023 | EF1 | 84 km | 2.3 mi | 0 |
| May 25, 1995 | EF1 | 24 km | 0.4 mi | 0 |
| Jun 1, 1992 | EF1 | 15 km | 8.0 mi | 0 |
| Jun 1, 1990 | EF1 | 83 km | 2.1 mi | 0 |
| Jun 30, 1988 | EF1 | 99 km | 0.4 mi | 0 |
| Jun 19, 1982 | EF1 | 99 km | 0.6 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: IRON MOUNTAIN (85,016 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | IRON MOUNTAIN | 85,016 | 76 km |
| 2008 | HUCKABEE | 84,897 | 58 km |
| 2011 | SCHWARTZ FIRE | 80,788 | 41 km |
| 2008 | PORTER | 47,570 | 40 km |
| 2000 | UNNAMED | 33,784 | 72 km |
| 2020 | HOLCOMBE RD | 25,771 | 91 km |
| 1989 | UNNAMED | 24,743 | 90 km |
| 2011 | DHR | 21,345 | 66 km |
| 2011 | LITTLE SMOKEY | 19,841 | 70 km |
| 2008 | CATHEDRAL | 19,342 | 95 km |
| 2014 | MALONE | 11,836 | 89 km |
| 2011 | CANNON | 10,449 | 83 km |
| 2020 | SMITH CANYON | 8,590 | 89 km |
| 2011 | DHI | 7,149 | 69 km |
| 2008 | ROCKING JBH | 7,004 | 91 km |
| 2020 | LONGFELLOW NINE MILE COMPLEX | 5,780 | 21 km |
| 1991 | SHAKELFORD | 5,586 | 90 km |
| 2006 | WEST | 4,791 | 92 km |
| 2011 | STEGALL | 4,724 | 20 km |
| 2011 | PINON FIRE | 4,372 | 53 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 0.4 in | Coldest |
| February | 51°F (11°C) | 0.5 in | |
| March | 59°F (15°C) | 0.3 in | Driest |
| April | 67°F (19°C) | 0.8 in | |
| May | 74°F (24°C) | 1.4 in | |
| June | 80°F (27°C) | 1.7 in | |
| July | 82°F (28°C) | 1.3 in | Warmest |
| August | 81°F (27°C) | 1.7 in | |
| September | 76°F (24°C) | 2.5 in | Wettest |
| October | 66°F (19°C) | 1.7 in | |
| November | 56°F (13°C) | 0.7 in | |
| December | 49°F (9°C) | 0.5 in |
Sanderson has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 13.4 inches, with September being the wettest month (2.5") and March the driest (0.3").