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Weather & Climate in Seguin, TX

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Seguin enjoys a temperate climate with an average annual temperature of 69°F (21°C). Winters average 52°F in January while summers reach 85°F in July. The area gets 300 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 35.4 inches. Air quality is rated Good with a median AQI of 42. The city sits at an elevation of 564 feet.

Temperature

52°F Jan (11°C) 85°F Jul (30°C)
Annual Average69.4°F
29% above US avg
January Average52°F (11°C)
July Average85°F (30°C)
Sunny Days300 days/yr

Geography

Elevation564 ft (172 m)
Area34.7 sq mi (89.8 km²)
Population Density794/sq mi
Coordinates29.5902°N, 97.9686°W
TimezoneAmerica/Chicago
CountyGuadalupe County County
Nearest AirportSan Antonio International (SAT)
30 miles away

Precipitation & Snow

Annual Rainfall 35.4"
7% below US avg
Snowfall 0.0"
Wettest Month (May) 4.76"
Driest Month (Mar) 1.85"

Air Quality

AQI Median42.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively Moderate
Risk Score91.5 / 100
Social Vulnerability18.9 / 100
Community Resilience50.8 / 100

Hazard Breakdown

Tornado Relatively High
Hurricane Relatively Low
Earthquake Very Low
Wildfire Relatively Low
Flood Relatively High
Hail Relatively Moderate
Strong Wind Relatively Moderate
Heat Wave Relatively Moderate
Winter Weather Relatively Moderate
Lightning Relatively High
Ice Storm Relatively Low
Drought Relatively Moderate
Cold Wave Relatively Moderate
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

226 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.

Oct 20, 2011 14 km SSW of Falls City, Texas M4.8 81 km 5 km
Jan 30, 2025 18 km ENE of Falls City, Texas M4.6 60 km 7 km
Feb 17, 2024 3 km SSW of Falls City, Texas M4.5 72 km 7 km
Feb 17, 2024 3 km S of Falls City, Texas M4.3 71 km 8 km
Sep 14, 2023 16 km ENE of Falls City, Texas M4.1 61 km 8 km
Apr 9, 1993 21 km NW of Pawnee, Texas M4.1 88 km 5 km
May 1, 2018 4 km SSE of Falls City, Texas M4.0 72 km 5 km
Feb 22, 2024 3 km E of Falls City, Texas M3.9 68 km 8 km
Apr 7, 2008 7 km SSW of Falls City, Texas M3.9 75 km 5 km
Feb 17, 2024 3 km S of Falls City, Texas M3.9 72 km 8 km
Jul 19, 2023 19 km E of Pleasanton, Texas M3.8 76 km 9 km
Feb 12, 2024 3 km S of Falls City, Texas M3.7 71 km 7 km
Feb 17, 2024 2 km S of Falls City, Texas M3.7 71 km 8 km
Jan 6, 2018 17 km SW of Falls City, Texas M3.6 84 km 5 km
Jul 20, 1991 8 km SSW of Falls City, Texas M3.6 76 km 10 km
Jun 16, 2019 5 km SE of Falls City, Texas M3.6 71 km 5 km
Jan 31, 2025 19 km ENE of Falls City, Texas M3.5 60 km 7 km
May 2, 2024 2 km E of Falls City, Texas M3.5 68 km 7 km
Feb 23, 2024 2 km ESE of Falls City, Texas M3.5 68 km 8 km
Feb 9, 2024 3 km S of Falls City, Texas M3.4 71 km 6 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

9 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.

Year Name Category Max Wind Closest
2024 Beryl Category 1 92 mph 193 km
2021 Nicholas Category 1 75 mph 237 km
2017 Harvey Category 4 132 mph 118 km
2008 Ike Category 2 98 mph 278 km
2003 Claudette Category 1 92 mph 151 km
1999 Bret Category 3 115 mph 277 km
1989 Jerry Category 1 86 mph 291 km
1983 Alicia Category 3 115 mph 239 km
1980 Allen Category 1 81 mph 271 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

396 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 6 fatalities, 171 injuries.

Date Rating Distance Path Fatalities
May 27, 1997 EF4 87 km 5.6 mi 1
Apr 28, 1953 EF4 71 km 1.0 mi 2
Oct 12, 2001 EF3 100 km 2.5 mi 0
May 6, 1969 EF3 82 km 38.9 mi 0
Sep 20, 1967 EF3 16 km 5.0 mi 0
Sep 20, 1967 EF3 91 km 4.3 mi 0
Apr 25, 1966 EF3 86 km 0.1 mi 0
Nov 22, 1961 EF3 59 km 1.0 mi 0
May 10, 1959 EF3 80 km 11.0 mi 0
Apr 24, 1957 EF3 95 km 14.7 mi 0
Dec 1, 1953 EF3 11 km 5.1 mi 0
Apr 28, 1953 EF3 90 km 0.5 mi 0
Apr 28, 1953 EF3 55 km 4.9 mi 1
Mar 21, 2022 EF2 19 km 7.9 mi 0
Mar 21, 2022 EF2 88 km 12.0 mi 0
Feb 19, 2017 EF2 53 km 4.6 mi 0
Oct 30, 2015 EF2 55 km 5.3 mi 0
Oct 30, 2015 EF2 4 km 8.3 mi 0
Mar 19, 2012 EF2 86 km 5.0 mi 0
Jul 21, 2007 EF2 17 km 2.0 mi 0
Source: NOAA Storm Prediction Center (EF0+, 1950–2024, US only).

Wildfire History

12 wildfires (100+ acres) recorded within 100 km. Largest: BASTROP COUNTY COMPLEX (31,838 acres, 2011).

Year Name Acres Burned Distance
2011 BASTROP COUNTY COMPLEX 31,838 93 km
2011 DELHI 4,735 57 km
2011 SPICEWOOD 4,239 92 km
2015 HIDDEN PINES 3,807 93 km
1984 STEWAIT 3,696 97 km
2022 TRAINING AREA 23 2,696 57 km
2002 UNNAMED 2,234 98 km
2022 BUDDY 1,521 99 km
2009 WILDERNESS RIDGE 1,278 91 km
2022 SMOKE RIDER 1,233 71 km
2022 DAS GOAT 1,135 93 km
2006 PURGATORY 1,004 34 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 52°F (11°C) 2.1 in Coldest
February 55°F (13°C) 2.2 in
March 62°F (17°C) 1.9 in Driest
April 68°F (20°C) 2.8 in
May 75°F (24°C) 4.8 in Wettest
June 81°F (27°C) 4.1 in
July 85°F (30°C) 1.9 in Warmest
August 84°F (29°C) 2.3 in
September 79°F (26°C) 3.8 in
October 70°F (21°C) 3.6 in
November 60°F (16°C) 2.6 in
December 53°F (12°C) 2.1 in

Seguin has a seasonal temperature swing of 34°F / from 52°F in January to 85°F in July. Total annual precipitation is 33.9 inches, with May being the wettest month (4.8") and March the driest (1.9").

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