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Weather & Climate in Thunderbird Bay, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Thunderbird Bay enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°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 27.9 inches (drier than the 38-inch national average). The area receives 1.5 inches of snow annually. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 1,457 feet.
Temperature
47°F Jan (8°C)
84°F Jul (29°C)
| Annual Average | 66.3°F |
| 23% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 1,457 ft (444 m) |
| Area | 2.5 sq mi (6.6 km²) |
| Population Density | 323/sq mi |
| Coordinates | 31.9096°N, 99.0208°W |
| Timezone | America/Chicago |
| County | Coleman County County |
| Nearest Airport | Brownwood Regional (BWD) 9 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 20.6 / 100 |
| Social Vulnerability | 88.4 / 100 |
| Community Resilience | 43.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Moderate |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Relatively Low |
| Ice Storm | Very Low |
| Drought | Relatively Moderate |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.7.
| Nov 28, 2013 | 6 km SSW of Perrin, Texas | M3.7 | 147 km | 5 km |
| Dec 9, 2013 | 8 km S of Perrin, Texas | M3.7 | 147 km | 5 km |
| Nov 28, 2013 | 10 km NNE of Graford, Texas | M2.8 | 146 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
463 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 8 fatalities, 92 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 19, 1976 | EF5 | 22 km | 10.5 mi | 0 |
| Apr 28, 1950 | EF4 | 73 km | 1.3 mi | 5 |
| May 18, 2019 | EF3 | 72 km | 5.8 mi | 0 |
| May 18, 2019 | EF3 | 54 km | 7.8 mi | 0 |
| May 9, 2015 | EF3 | 44 km | 3.8 mi | 1 |
| May 29, 1994 | EF3 | 79 km | 2.0 mi | 0 |
| May 12, 1982 | EF3 | 98 km | 9.0 mi | 0 |
| May 12, 1982 | EF3 | 33 km | 13.0 mi | 0 |
| Oct 30, 1979 | EF3 | 79 km | 18.6 mi | 0 |
| May 21, 1979 | EF3 | 76 km | 2.0 mi | 0 |
| Apr 10, 1979 | EF3 | 73 km | 25.0 mi | 0 |
| May 30, 1976 | EF3 | 85 km | 3.6 mi | 0 |
| May 26, 1976 | EF3 | 90 km | 1.0 mi | 0 |
| May 25, 1976 | EF3 | 96 km | 20.3 mi | 0 |
| Apr 19, 1976 | EF3 | 22 km | 2.2 mi | 0 |
| May 13, 1975 | EF3 | 40 km | 0.1 mi | 2 |
| May 15, 1965 | EF3 | 90 km | 9.3 mi | 0 |
| May 31, 1962 | EF3 | 66 km | 2.0 mi | 0 |
| Apr 28, 1958 | EF3 | 40 km | 4.9 mi | 0 |
| May 25, 2024 | EF2 | 28 km | 2.5 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 | 95 km |
| 2022 | KIDD | 41,939 | 46 km |
| 2006 | CARBON | 33,013 | 43 km |
| 2009 | CEDAR MOUNTAIN | 16,589 | 66 km |
| 1993 | SAN SABA FIRE | 12,896 | 89 km |
| 2020 | GATE 5 | 11,457 | 60 km |
| 2022 | MESQUITE HEAT | 10,807 | 95 km |
| 2020 | MAYS | 9,736 | 83 km |
| 2006 | HUCKABAY | 9,100 | 78 km |
| 2022 | CREWS GAP | 8,134 | 65 km |
| 2022 | WHEAT FIELD | 7,333 | 29 km |
| 1993 | UNNAMED | 6,936 | 42 km |
| 1999 | WILLIAMS RANCH FIRE | 6,226 | 91 km |
| 2005 | CROSSROADS | 5,976 | 29 km |
| 1996 | UNNAMED | 5,382 | 88 km |
| 2005 | TALPA | 5,117 | 76 km |
| 2011 | CR 156 | 4,585 | 73 km |
| 2003 | UNNAMED | 4,490 | 84 km |
| 2011 | JETER II | 4,317 | 98 km |
| 2022 | OAK MOTT | 4,183 | 18 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 47°F (8°C) | 1.4 in | |
| February | 49°F (9°C) | 1.7 in | |
| March | 56°F (14°C) | 1.9 in | |
| April | 64°F (18°C) | 2.3 in | |
| May | 72°F (22°C) | 3.8 in | Wettest |
| June | 79°F (26°C) | 3.6 in | |
| July | 84°F (29°C) | 1.8 in | Warmest |
| August | 82°F (28°C) | 2.4 in | |
| September | 76°F (24°C) | 3.3 in | |
| October | 66°F (19°C) | 2.9 in | |
| November | 54°F (12°C) | 1.6 in | |
| December | 46°F (8°C) | 1.3 in | Coldest, Driest |
Thunderbird Bay has a seasonal temperature swing of 38°F / from 46°F in December to 84°F in July. Total annual precipitation is 27.9 inches, with May being the wettest month (3.8") and December the driest (1.3").