Daylight through the yearLongest day (Jun 21): 13 h 58 min6:29 am – 8:27 pmShortest day (Dec 21): 10 h 20 min7:15 am – 5:34 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 92°F, lows 78°FColdest month January: highs 64°F, lows 46°F41 in of rain a year, on about 55 dayswettest month JuneSnow is rare77 days above 90°F, 5 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Pt Comfort station, 12 mi away
Nearby landmarksOperating Basin Number Fivereservoir · 4.0 miOperating Basin Number 4reservoir · 4.1 miGreen Lakelake · 8.8 miChocolate Baybay · 6.0 miMud Lakelake · 6.0 miGuadalupe Baybay · 7.4 miSource: USGS Geographic Names Information System
Parks and public landsChocolate Bayou Parkpark · 5.8 miGuadalupe Delta Wildlife Management Areastate conservation land · 6.5 mi · 4,444 acresPowderhorn West Conservation Easementnature preserve · 6.3 mi · 9,875 acresAransas National Wildlife Refugenational wildlife refuge · 13.7 mi · 90,764 acresWelder Flats Wildlife Management Areastate conservation land · 12.8 mi · 1,381 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes1 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.0 on 4 Mar 201947 mi away, near Cuero, TexasMost recent: magnitude 3.0 on 4 Mar 201947 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowCalhoun County, TX, compared with all US countiesHigher-risk hazardsDrought Relatively HighSource: FEMA National Risk Index (county level)
Air quality87% of days had good air in 2025312 of 360 days measured48 moderate daysMedian index 34, worst day 100main pollutant: ozoneSource: US EPA Air Quality Index, nearest monitors: Victoria County, TX, 25 mi away
Drinking waterCity of Port Lavacaserves 12,000 people from surface water purchased14 health-based violations since 2021latest Apr 2026: trihalomethanes (TTHM), maximum contaminant level5 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation18 ft5 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalMemorial Medical Center7.5 miPost officePort Lavaca Post Office7.1 miTown hallPort Lavaca City Hall7.5 miPoliceCalhoun County Sheriff's Office7.3 miFire stationPort Lavaca Fire Department Station 16.5 miSource: USGS National Structures Dataset
Getting aroundAirportVictoria Regional Airport VCT26 miMajor airportWilliam P. Hobby Airport HOU115 miInterstateI--3538 miUS highwayUS 876.1 miCoachPort Lavaca N Go Food MartGreyhound7.0 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 77972 ZIP area.
