Daylight through the yearLongest day (Jun 21): 14 h 6 min6:24 am – 8:31 pmShortest day (Dec 21): 10 h 11 min7:18 am – 5:29 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 98°F, lows 70°FColdest month January: highs 62°F, lows 35°F41 in of rain a year, on about 58 dayswettest month MaySnow is rare125 days above 90°F, 37 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Somerville Dam station
Parks and public landsSomerville Recreation Arearecreation area · 2.4 mi · 29,940 acresLake Somerville State Park - Birch Creekstate park · 5.9 mi · 574 acresLake Somerville Trailway State Parkstate park · 9.0 mi · 5,140 acresLake Somerville State Park - Nails Creek Unitstate park · 11.3 mi · 3,588 acresSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowBurleson County, TX, compared with all US countiesHighest-rated hazardsDrought Relatively ModerateHurricane Relatively LowSource: FEMA National Risk Index (county level)
Air quality69% of days had good air in 2025233 of 340 days measured107 moderate daysMedian index 40, worst day 78main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Brazos County, TX, 26 mi away
Drinking waterCity of Caldwellserves 4,358 people from ground waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation248 ft76 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalBaylor Scott And White Medical Center Brenham15.5 miPost officeSomerville Post Officeunder a mileTown hallSomerville City Hallunder a milePoliceSomerville Police Departmentunder a mileFire stationSommerville Volunteer Fire Departmentunder a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi3 schools1 elementary, 1 middle, 1 highHighSomerville High Schoolunder a mileElementarySomerville Elementary Schoolunder a mileMiddleSomerville Intermediate Schoolunder a mileCollegeBlinn College14.3 miSource: USGS National Structures Dataset
Getting aroundAirportEasterwood Field CLL20 miMajor airportAustin Bergstrom International Airport AUS69 miUS highwayUS 29010 miAmtrakTaylor, TX TAY55 miCoachCollege StationFlixBus23 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 77839 ZIP area.
