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Weather & Climate in Sonora, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sonora enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 46°F in January while summers reach 84°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 22.7 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 2,122 feet.
Temperature
46°F Jan (8°C)
84°F Jul (29°C)
| Annual Average | 65.7°F |
| 22% above US avg | |
| January Average | 46°F (8°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 2,122 ft (647 m) |
| Area | 2.1 sq mi (5.3 km²) |
| Population Density | 1,231/sq mi |
| Coordinates | 30.5707°N, 100.6418°W |
| Timezone | America/Chicago |
| County | Sutton County County |
| Nearest Airport | San Angelo Regional/Mathis Field (SJT) 55 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 7.1 / 100 |
| Social Vulnerability | 83.0 / 100 |
| Community Resilience | 5.5 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Low |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M2.8.
| May 2, 2024 | 27 km E of Big Lake, Texas | M2.8 | 88 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
91 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 11 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 30, 1952 | EF3 | 99 km | 0.5 mi | 0 |
| May 4, 2024 | EF2 | 80 km | 20.1 mi | 0 |
| May 18, 2019 | EF2 | 84 km | 17.6 mi | 0 |
| May 18, 2019 | EF2 | 52 km | 2.1 mi | 0 |
| Oct 13, 2018 | EF2 | 67 km | 3.0 mi | 0 |
| May 4, 1999 | EF2 | 43 km | 23.0 mi | 0 |
| Jun 21, 1971 | EF2 | 67 km | 0.3 mi | 0 |
| Jun 21, 1971 | EF2 | 78 km | 0.1 mi | 0 |
| Jul 27, 1964 | EF2 | 79 km | 1.0 mi | 0 |
| Jun 16, 1955 | EF2 | 58 km | 3.0 mi | 0 |
| Apr 12, 2020 | EF1 | 65 km | 5.6 mi | 0 |
| Apr 9, 2008 | EF1 | 97 km | 4.1 mi | 0 |
| Apr 9, 2008 | EF1 | 86 km | 1.5 mi | 0 |
| Jun 15, 2007 | EF1 | 58 km | 3.2 mi | 0 |
| May 31, 2005 | EF1 | 96 km | 2.0 mi | 0 |
| May 31, 2005 | EF1 | 94 km | 2.0 mi | 0 |
| Mar 19, 2002 | EF1 | 96 km | 3.0 mi | 0 |
| Jun 8, 1997 | EF1 | 32 km | 0.1 mi | 0 |
| Feb 20, 1997 | EF1 | 31 km | 10.0 mi | 0 |
| May 29, 1996 | EF1 | 80 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
20 wildfires (100+ acres) recorded within 100 km. Largest: DEATON COLE (167,598 acres, 2011).
| Year | Name | Acres Burned | Distance |
| 2011 | DEATON COLE | 167,598 | 70 km |
| 2011 | SUTTON | 26,751 | 76 km |
| 2020 | HOLCOMBE RD | 25,771 | 85 km |
| 2011 | WILLIAMS | 23,912 | 69 km |
| 2015 | BROWN RANCH | 17,881 | 67 km |
| 2014 | MALONE | 11,836 | 89 km |
| 2011 | SCOTT RANCH | 10,755 | 91 km |
| 1993 | MENARD FIRE | 10,463 | 77 km |
| 2015 | FORT MCKAVETT COMPLEX | 8,225 | 22 km |
| 2011 | OASIS | 7,919 | 74 km |
| 2019 | 190 EAST | 7,091 | 63 km |
| 2008 | UNNAMED | 6,810 | 68 km |
| 2022 | CHICO LANE | 6,617 | 90 km |
| 2000 | NUECES RIVER FIRE | 5,576 | 70 km |
| 2015 | HEAD OF THE RIVER RANCH | 5,205 | 62 km |
| 2019 | OGLESBY | 5,098 | 44 km |
| 2008 | MACY | 4,922 | 67 km |
| 2020 | ARROYO GRANDE | 4,855 | 29 km |
| 2011 | UNNAMED | 4,164 | 86 km |
| 2018 | CR 205 | 3,975 | 84 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 46°F (8°C) | 0.8 in | Coldest |
| February | 49°F (9°C) | 1.2 in | |
| March | 57°F (14°C) | 1.1 in | |
| April | 65°F (18°C) | 1.9 in | |
| May | 72°F (22°C) | 2.7 in | |
| June | 78°F (26°C) | 2.2 in | |
| July | 84°F (29°C) | 2.0 in | Warmest |
| August | 80°F (27°C) | 2.4 in | |
| September | 75°F (24°C) | 3.0 in | Wettest |
| October | 66°F (19°C) | 2.5 in | |
| November | 55°F (13°C) | 1.2 in | |
| December | 47°F (8°C) | 0.8 in | Driest |
Sonora has a seasonal temperature swing of 38°F / from 46°F in January to 84°F in July. Total annual precipitation is 21.8 inches, with September being the wettest month (3.0") and December the driest (0.8").