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Weather & Climate in San Augustine, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
San Augustine enjoys a temperate climate with an average annual temperature of 65°F (19°C). Winters average 47°F in January while summers reach 82°F in July. The area gets 306 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 55.6 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 351 feet.
Temperature
47°F Jan (9°C)
82°F Jul (28°C)
| Annual Average | 65.4°F |
| 21% above US avg | |
| January Average | 47°F (9°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 306 days/yr |
Geography
| Elevation | 351 ft (107 m) |
| Area | 4.7 sq mi (12.2 km²) |
| Population Density | 453/sq mi |
| Coordinates | 31.5299°N, 94.1109°W |
| Timezone | America/Chicago |
| County | San Augustine County County |
| Nearest Airport | Nacogdoches A L Mangham Jr Regional (OCH) 35 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 17.6 / 100 |
| Social Vulnerability | 95.9 / 100 |
| Community Resilience | 9.1 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Relatively Low |
| Drought | No Rating |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
33 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 | 50 km | 5 km |
| Sep 2, 2013 | 3 km WNW of Timpson, Texas | M4.3 | 52 km | 5 km |
| Sep 2, 2013 | 14 km WNW of Timpson, Texas | M4.2 | 62 km | 5 km |
| Jan 25, 2013 | 11 km SE of Timpson, Texas | M4.1 | 39 km | 5 km |
| May 10, 2012 | 9 km NW of Timpson, Texas | M3.9 | 59 km | 7 km |
| Jan 27, 2024 | 4 km SSW of Hall Summit, Louisiana | M3.6 | 101 km | 9 km |
| Jan 18, 2025 | 0 km WSW of Mooringsport, Louisiana | M3.5 | 129 km | 5 km |
| Mar 29, 2025 | 13 km NNE of Wells, Texas | M3.5 | 72 km | 7 km |
| Jan 20, 2019 | 7 km SSW of San Augustine, Texas | M3.3 | 7 km | 5 km |
| Aug 22, 2025 | 5 km WSW of Huxley, Texas | M3.2 | 30 km | 9 km |
| Apr 16, 2021 | 8 km WNW of Blanchard, Louisiana | M3.2 | 119 km | 5 km |
| Jan 6, 2025 | 4 km ESE of Mooringsport, Louisiana | M3.0 | 128 km | 9 km |
| Apr 2, 2024 | 5 km WSW of Chireno, Texas | M3.0 | 29 km | 8 km |
| Aug 21, 2025 | 8 km W of Huxley, Texas | M3.0 | 29 km | 7 km |
| Apr 1, 2021 | 7 km W of Blanchard, Louisiana | M3.0 | 118 km | 5 km |
| May 31, 2013 | 7 km SE of Timpson, Texas | M2.9 | 42 km | 5 km |
| Dec 7, 2012 | 3 km S of Timpson, Texas | M2.8 | 47 km | 5 km |
| Jan 9, 2024 | 1 km S of Edgefield, Louisiana | M2.8 | 93 km | 5 km |
| Jan 29, 2013 | 4 km S of Timpson, Texas | M2.8 | 46 km | 5 km |
| Jan 31, 2013 | 7 km WNW of Timpson, Texas | M2.8 | 57 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
15 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2020 | Laura | Category 4 | 150 mph | 85 km |
| 2020 | Delta | Category 2 | 98 mph | 197 km |
| 2019 | Barry | Category 1 | 75 mph | 282 km |
| 2008 | Gustav | Category 2 | 98 mph | 251 km |
| 2008 | Ike | Category 2 | 109 mph | 128 km |
| 2007 | Humberto | Category 1 | 92 mph | 145 km |
| 2005 | Rita | Category 3 | 115 mph | 115 km |
| 2002 | Lili | Category 1 | 92 mph | 243 km |
| 1992 | Andrew | Category 4 | 138 mph | 257 km |
| 1989 | Chantal | Category 1 | 81 mph | 216 km |
| 1989 | Jerry | Category 1 | 86 mph | 273 km |
| 1986 | Bonnie | Category 1 | 86 mph | 182 km |
| 1985 | Danny | Category 1 | 92 mph | 217 km |
| 1985 | Juan | Category 1 | 86 mph | 270 km |
| 1983 | Alicia | Category 3 | 115 mph | 243 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tornado History
531 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 49 fatalities, 518 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Feb 12, 1950 | EF4 | 50 km | 82.6 mi | 18 |
| Dec 23, 2009 | EF3 | 63 km | 4.1 mi | 0 |
| Apr 6, 2003 | EF3 | 98 km | 38.2 mi | 0 |
| Mar 30, 2002 | EF3 | 79 km | 49.0 mi | 0 |
| Apr 23, 2000 | EF3 | 78 km | 19.3 mi | 0 |
| Apr 3, 1999 | EF3 | 47 km | 5.4 mi | 0 |
| Mar 2, 1999 | EF3 | 73 km | 12.0 mi | 1 |
| Feb 19, 1991 | EF3 | 14 km | 5.0 mi | 0 |
| Jan 19, 1990 | EF3 | 87 km | 13.0 mi | 0 |
| Jun 7, 1989 | EF3 | 62 km | 6.0 mi | 0 |
| Nov 15, 1987 | EF3 | 38 km | 48.0 mi | 1 |
| May 2, 1984 | EF3 | 84 km | 61.0 mi | 0 |
| May 19, 1983 | EF3 | 56 km | 3.0 mi | 0 |
| Apr 25, 1982 | EF3 | 77 km | 7.0 mi | 0 |
| Apr 25, 1982 | EF3 | 77 km | 7.0 mi | 0 |
| Oct 27, 1980 | EF3 | 67 km | 5.6 mi | 0 |
| Mar 20, 1974 | EF3 | 23 km | 44.7 mi | 0 |
| Mar 20, 1974 | EF3 | 1 km | 85.2 mi | 1 |
| Mar 20, 1974 | EF3 | 70 km | 0.1 mi | 0 |
| Jan 19, 1974 | EF3 | 30 km | 0.8 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 | 95 km |
| 2000 | UNNAMED | 15,017 | 87 km |
| 2010 | RXCOMP89-90-93-115 | 10,602 | 36 km |
| 1994 | AIRPORT | 8,458 | 40 km |
| 2011 | 502 | 8,344 | 83 km |
| 2010 | RX10COMP 63-64-65 | 7,353 | 49 km |
| 2010 | C 32 WFHF | 6,451 | 85 km |
| 2017 | UNNAMED | 6,146 | 39 km |
| 2017 | UNNAMED | 5,827 | 57 km |
| 2020 | UNNAMED | 5,104 | 89 km |
| 2021 | UNNAMED | 5,057 | 30 km |
| 2022 | GOOBER HILL SOUTH | 4,845 | 26 km |
| 2021 | UNNAMED | 4,767 | 52 km |
| 2013 | UNNAMED | 4,754 | 38 km |
| 2022 | ANF NORWOOD BLOCK B-C | 4,753 | 17 km |
| 1989 | BIG CREEK | 4,723 | 48 km |
| 2020 | C-16/17/18/19 | 4,633 | 100 km |
| 2022 | THE 60S | 4,538 | 94 km |
| 2024 | ANF WHITE CITY COMP 35/36/37 RX | 4,508 | 36 km |
| 2011 | POWERLINE FIRE | 4,490 | 56 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (9°C) | 4.4 in | Coldest |
| February | 50°F (10°C) | 4.1 in | |
| March | 58°F (14°C) | 4.2 in | |
| April | 64°F (18°C) | 3.9 in | |
| May | 72°F (22°C) | 5.2 in | Wettest |
| June | 78°F (26°C) | 4.4 in | |
| July | 82°F (28°C) | 3.5 in | Warmest |
| August | 81°F (27°C) | 3.0 in | Driest |
| September | 76°F (24°C) | 4.1 in | |
| October | 65°F (19°C) | 3.7 in | |
| November | 55°F (13°C) | 4.3 in | |
| December | 48°F (9°C) | 5.0 in |
San Augustine has a seasonal temperature swing of 35°F / from 47°F in January to 82°F in July. Total annual precipitation is 49.7 inches, with May being the wettest month (5.2") and August the driest (3.0").