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Weather & Climate in Potosi, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Potosi enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 46°F in January while summers reach 85°F in July. The area gets 328 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 25.2 inches (drier than the 38-inch national average). The area receives 3.7 inches of snow annually. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 1,843 feet.
Temperature
46°F Jan (8°C)
85°F Jul (29°C)
| Annual Average | 65.9°F |
| 22% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 1,843 ft (562 m) |
| Area | 18.4 sq mi (47.5 km²) |
| Population Density | 247/sq mi |
| Coordinates | 32.3357°N, 99.6843°W |
| Timezone | America/Chicago |
| County | Taylor County County |
| Nearest Airport | Abilene Regional (ABI) 5 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 83.8 / 100 |
| Social Vulnerability | 34.5 / 100 |
| Community Resilience | 76.5 / 100 |
Hazard Breakdown
| Tornado | Relatively Moderate |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Moderate |
| Flood | Relatively Moderate |
| Hail | Very High |
| Strong Wind | Relatively Moderate |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively High |
| Lightning | Relatively High |
| Ice Storm | Relatively Low |
| Drought | Relatively Moderate |
| Cold Wave | Relatively Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
240 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Jul 26, 2024 | 17 km NNE of Hermleigh, Texas | M5.1 | 103 km | 3 km |
| Jul 23, 2024 | 17 km NNE of Hermleigh, Texas | M4.9 | 103 km | 3 km |
| Feb 16, 2023 | 15 km NE of Hermleigh, Texas | M4.7 | 102 km | 8 km |
| Jul 27, 2024 | 13 km NNE of Hermleigh, Texas | M4.5 | 105 km | 3 km |
| Jul 23, 2024 | 16 km NNE of Hermleigh, Texas | M4.4 | 105 km | 3 km |
| Sep 11, 2011 | 20 km NE of Snyder, Texas | M4.3 | 117 km | 5 km |
| Jul 25, 2024 | 16 km NNE of Hermleigh, Texas | M4.0 | 105 km | 3 km |
| Sep 22, 2023 | 8 km NE of Hermleigh, Texas | M3.9 | 102 km | 7 km |
| Mar 13, 2011 | 32 km WNW of Rotan, Texas | M3.8 | 125 km | 5 km |
| Aug 17, 2022 | 17 km NNE of Hermleigh, Texas | M3.8 | 104 km | 6 km |
| Jul 30, 2024 | 15 km NE of Hermleigh, Texas | M3.8 | 101 km | 8 km |
| Jul 20, 2025 | 14 km NE of Hermleigh, Texas | M3.7 | 102 km | 6 km |
| Jan 10, 2016 | 25 km NNE of Snyder, Texas | M3.6 | 127 km | 3 km |
| Jul 19, 2024 | 6 km WSW of Westbrook, Texas | M3.6 | 131 km | 9 km |
| Aug 14, 2024 | 16 km NNE of Hermleigh, Texas | M3.6 | 107 km | 4 km |
| Oct 2, 2023 | 16 km NE of Hermleigh, Texas | M3.6 | 102 km | 4 km |
| Sep 12, 2011 | 12 km NNE of Snyder, Texas | M3.5 | 124 km | 8 km |
| Jan 6, 2015 | western Texas | M3.5 | 125 km | 4 km |
| Feb 3, 2023 | 16 km NE of Hermleigh, Texas | M3.5 | 102 km | 8 km |
| Jan 17, 2016 | 17 km NNE of Snyder, Texas | M3.5 | 125 km | 2 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
595 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 13 fatalities, 219 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 19, 1976 | EF5 | 90 km | 10.5 mi | 0 |
| May 26, 1962 | EF4 | 93 km | 10.7 mi | 0 |
| Apr 28, 1950 | EF4 | 20 km | 1.3 mi | 5 |
| May 3, 2024 | EF3 | 94 km | 3.5 mi | 0 |
| May 2, 2024 | EF3 | 36 km | 3.3 mi | 0 |
| May 18, 2019 | EF3 | 99 km | 18.0 mi | 0 |
| May 18, 2019 | EF3 | 54 km | 7.8 mi | 0 |
| May 18, 2019 | EF3 | 56 km | 5.8 mi | 0 |
| May 9, 2015 | EF3 | 63 km | 3.8 mi | 1 |
| May 29, 1994 | EF3 | 63 km | 2.0 mi | 0 |
| Apr 24, 1991 | EF3 | 91 km | 3.5 mi | 0 |
| May 14, 1990 | EF3 | 63 km | 0.2 mi | 0 |
| Apr 19, 1986 | EF3 | 71 km | 4.5 mi | 1 |
| Mar 14, 1982 | EF3 | 68 km | 40.5 mi | 0 |
| Oct 30, 1979 | EF3 | 73 km | 18.6 mi | 0 |
| May 21, 1979 | EF3 | 85 km | 2.0 mi | 0 |
| Apr 10, 1979 | EF3 | 71 km | 25.0 mi | 0 |
| May 26, 1976 | EF3 | 21 km | 1.0 mi | 0 |
| May 25, 1976 | EF3 | 26 km | 20.3 mi | 0 |
| Apr 19, 1976 | EF3 | 81 km | 2.2 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: BIG COUNTRY FIRE (209,352 acres, 1988).
| Year | Name | Acres Burned | Distance |
| 1988 | BIG COUNTRY FIRE | 209,352 | 49 km |
| 2011 | WILDCAT | 150,157 | 100 km |
| 2011 | WHITE HAT | 71,857 | 74 km |
| 2022 | KIDD | 41,939 | 85 km |
| 2006 | CARBON | 33,013 | 84 km |
| 2021 | BUCK | 18,671 | 77 km |
| 2009 | CEDAR MOUNTAIN | 16,589 | 74 km |
| 2011 | 611 GAS PLANT | 14,430 | 90 km |
| 2009 | BLACK | 11,356 | 77 km |
| 2022 | MESQUITE HEAT | 10,807 | 22 km |
| 1997 | THROCKMORTON | 10,339 | 93 km |
| 2003 | JOHNSON RANCH | 9,696 | 72 km |
| 2022 | CREWS GAP | 8,134 | 52 km |
| 2022 | WHEAT FIELD | 7,333 | 62 km |
| 1993 | UNNAMED | 6,936 | 36 km |
| 2005 | CROSSROADS | 5,976 | 53 km |
| 1996 | UNNAMED | 5,382 | 88 km |
| 2005 | TALPA | 5,117 | 70 km |
| 2011 | WEISE | 4,767 | 94 km |
| 2011 | CR 156 | 4,585 | 76 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 0.9 in | Driest |
| February | 49°F (9°C) | 1.2 in | |
| March | 57°F (14°C) | 1.4 in | |
| April | 65°F (18°C) | 1.9 in | |
| May | 73°F (23°C) | 3.0 in | |
| June | 80°F (26°C) | 3.0 in | |
| July | 85°F (29°C) | 1.9 in | Warmest |
| August | 82°F (28°C) | 2.5 in | |
| September | 76°F (24°C) | 3.3 in | Wettest |
| October | 66°F (19°C) | 2.7 in | |
| November | 54°F (12°C) | 1.3 in | |
| December | 46°F (8°C) | 1.2 in | Coldest |
Potosi has a seasonal temperature swing of 39°F / from 46°F in December to 85°F in July. Total annual precipitation is 24.3 inches, with September being the wettest month (3.3") and January the driest (0.9").