Daylight through the yearLongest day (Jun 21): 14 h 3 min6:32 am – 8:34 pmShortest day (Dec 21): 10 h 15 min7:22 am – 5:37 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 98°F, lows 73°FColdest month January: highs 64°F, lows 40°F31 in of rain a year, on about 42 dayswettest month MaySnow is rare128 days above 90°F, 20 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Austin San Antonio station, 13 mi away; snow from Seguin 1 Ssw
Nearby landmarksMeadow Lakelake · under a mileWalnut Springsspring · 2.9 miTexas Lutheran Universitycollege · 3.6 miMax Starcke Reservoirreservoir · 2.3 miLake Placidlake · 4.3 miKings Hillpeak · 6.4 miSource: USGS Geographic Names Information System
Parks and public landsNolte Island Parkpark · under a mileRiverview Parkpark · 2.0 mi · 70 acresSebastopol House State Historic Sitestate historic site · 3.1 miPalmetto State Parkstate park · 21.2 mi · 297 acresLockhart State Parkstate park · 25.6 mi · 264 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes81 of magnitude 3 or more within 50 miles since 19706 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.8 on 20 Oct 201147 mi away, near Falls City, TexasMost recent: magnitude 3.6 on 1 Sep 202645 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateGuadalupe County, TX, compared with all US countiesHigher-risk hazardsRiver flooding Relatively HighTornado Relatively HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality100% of days had good air in 2025362 of 362 days measuredNo moderate or unhealthy daysMedian index 8, worst day 41main pollutant: nitrogen dioxideSource: US EPA Air Quality Index, nearest monitors: Wilson County, TX, 27 mi away
Drinking waterSprings Hill Sudserves 35,541 people from surface water2 health-based violations since 2021latest Oct 2024: trihalomethanes (TTHM), maximum contaminant level1 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation471 ft144 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalGuadalupe Regional Medical Center2.2 miPost officeSeguin Post Office2.9 miTown hallSeguin City Hall2.8 miPoliceSeguin Police Department3.1 miFire stationSeguin Fire / EMS Department Central Station3.0 miSource: USGS National Structures Dataset
Getting aroundAirportSan Antonio International Airport SAT32 miInterstateI-104.4 miUS highwayUS 90 Alt2.2 miAmtrakSan Marcos, TX SMC23 miCoachSan Marcos CARTSFlixBus23 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 78156 ZIP area.
