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Weather & Climate in Seymour, TX
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Seymour enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°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 29.0 inches (drier than the 38-inch national average). The area receives 1.8 inches of snow annually. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 1,290 feet.
Temperature
42°F Jan (5°C)
85°F Jul (29°C)
| Annual Average | 63.1°F |
| 17% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 328 days/yr |
Geography
| Elevation | 1,290 ft (393 m) |
| Area | 2.9 sq mi (7.6 km²) |
| Population Density | 893/sq mi |
| Coordinates | 33.5952°N, 99.2585°W |
| Timezone | America/Chicago |
| County | Baylor County County |
| Nearest Airport | Frederick Regional (FDR) 55 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 42.0 |
| Rating | Good |
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 17.5 / 100 |
| Social Vulnerability | 95.8 / 100 |
| Community Resilience | 55.8 / 100 |
Hazard Breakdown
| Tornado | Relatively Low |
| Hurricane | Very Low |
| Earthquake | Very Low |
| Wildfire | Relatively Low |
| Flood | Very Low |
| Hail | Relatively Low |
| Strong Wind | Relatively Moderate |
| Heat Wave | Very Low |
| Winter Weather | Very Low |
| Lightning | Very Low |
| Ice Storm | Relatively Low |
| Drought | Relatively High |
| Cold Wave | Very Low |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
10 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 | 129 km | 5 km |
| Dec 9, 2013 | 8 km S of Perrin, Texas | M3.7 | 132 km | 5 km |
| Apr 6, 2023 | 7 km W of Rotan, Texas | M2.9 | 146 km | 4 km |
| Apr 7, 2003 | 6 km NW of Nocona Hills, Texas | M2.9 | 148 km | 5 km |
| Nov 28, 2013 | 10 km NNE of Graford, Texas | M2.8 | 116 km | 5 km |
| Jun 9, 2023 | 7 km WSW of Rotan, Texas | M2.7 | 147 km | 6 km |
| Mar 6, 2024 | 13 km ESE of Olney, Texas | M2.7 | 67 km | 4 km |
| Apr 2, 2020 | 7 km NNE of Geronimo, Oklahoma | M2.6 | 134 km | 34 km |
| Jul 7, 2025 | 5 km W of Rotan, Texas | M2.5 | 144 km | 2 km |
| May 19, 2005 | 11 km NNE of Hastings, Oklahoma | M2.5 | 136 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Tornado History
541 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF5. Total: 89 fatalities, 2,214 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Apr 3, 1964 | EF5 | 78 km | 4.7 mi | 7 |
| Nov 7, 2011 | EF4 | 82 km | 17.4 mi | 0 |
| Apr 2, 1980 | EF4 | 7 km | 8.4 mi | 0 |
| Apr 10, 1979 | EF4 | 62 km | 46.9 mi | 42 |
| Apr 10, 1979 | EF4 | 68 km | 39.7 mi | 11 |
| May 26, 1962 | EF4 | 67 km | 10.7 mi | 0 |
| May 26, 1962 | EF4 | 97 km | 10.1 mi | 0 |
| May 1, 1954 | EF4 | 60 km | 68.6 mi | 0 |
| Mar 13, 1953 | EF4 | 73 km | 13.9 mi | 17 |
| May 18, 1951 | EF4 | 51 km | 2.0 mi | 2 |
| May 4, 2022 | EF3 | 50 km | 23.1 mi | 0 |
| Apr 27, 2021 | EF3 | 64 km | 8.4 mi | 0 |
| May 16, 2015 | EF3 | 90 km | 40.4 mi | 0 |
| May 13, 2005 | EF3 | 35 km | 16.3 mi | 0 |
| Apr 30, 2000 | EF3 | 52 km | 13.0 mi | 0 |
| May 29, 1994 | EF3 | 50 km | 7.0 mi | 0 |
| Apr 24, 1991 | EF3 | 69 km | 3.5 mi | 0 |
| May 14, 1990 | EF3 | 98 km | 0.2 mi | 0 |
| May 14, 1986 | EF3 | 52 km | 20.0 mi | 0 |
| Apr 21, 1985 | EF3 | 47 km | 4.5 mi | 3 |
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 | 100 km |
| 2011 | SWENSON | 136,789 | 88 km |
| 2008 | EIGHTY-TWO FIRE | 31,611 | 74 km |
| 2001 | UNNAMED | 28,633 | 42 km |
| 2022 | COCONUT | 27,963 | 33 km |
| 1996 | TRIANGLE FIRE | 25,553 | 83 km |
| 2009 | TWO MILE HILL COMPLEX | 20,991 | 74 km |
| 2021 | BUCK | 18,671 | 69 km |
| 1994 | KING COUNTY FIRE | 16,759 | 75 km |
| 2022 | SMOKE STACK LIGHTNING | 14,602 | 93 km |
| 2008 | ARCHER CO | 13,969 | 56 km |
| 2011 | WICHITA COUNTY COMPLEX | 12,118 | 60 km |
| 2019 | VIVIAN | 11,825 | 82 km |
| 2009 | BLACK | 11,356 | 83 km |
| 2011 | MILLER CREEK | 10,888 | 25 km |
| 1997 | THROCKMORTON | 10,339 | 53 km |
| 2011 | ROCK CREEK | 10,128 | 91 km |
| 2003 | JOHNSON RANCH | 9,696 | 85 km |
| 2011 | JRM | 8,870 | 54 km |
| 2011 | COPPER BREAKS | 7,918 | 91 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (5°C) | 0.9 in | Coldest, Driest |
| February | 46°F (8°C) | 1.4 in | |
| March | 54°F (12°C) | 1.5 in | |
| April | 63°F (17°C) | 2.1 in | |
| May | 72°F (22°C) | 3.8 in | |
| June | 80°F (26°C) | 3.2 in | |
| July | 85°F (29°C) | 2.0 in | Warmest |
| August | 83°F (28°C) | 2.4 in | |
| September | 75°F (24°C) | 4.0 in | Wettest |
| October | 65°F (18°C) | 2.8 in | |
| November | 52°F (11°C) | 1.3 in | |
| December | 43°F (6°C) | 1.2 in |
Seymour has a seasonal temperature swing of 43°F / from 42°F in January to 85°F in July. Total annual precipitation is 26.8 inches, with September being the wettest month (4.0") and January the driest (0.9").