Daylight through the yearLongest day (Jun 21): 14 h 50 min5:39 am – 8:29 pmShortest day (Dec 21): 9 h 30 min7:15 am – 4:45 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 88°F, lows 67°FColdest month January: highs 41°F, lows 22°F44 in of rain a year, on about 74 dayswettest month April9 in of snow a year, on about 6 days38 days above 90°F, 105 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Festus station, 14 mi away
Nearby landmarksCedar Hill Lakesreservoir · 3.6 miHidden Valley Lakelake · 2.2 miBecker Lakelake · 2.5 miJefferson Collegecollege · 5.2 miLakes Famarreservoir · 4.0 miBig Springspring · 9.9 miSource: USGS Geographic Names Information System
Parks and public landsValley View Glades Natural Areastate conservation land · 1.6 mi · 212 acresCounty Cedar Hill Accesspark · 4.7 miFletcher Househistoric site · 5.7 miSandy Creek Covered Bridge State Historic Sitestate historic site · 6.4 mi · 251 acresVictoria Glades Conservation Areastate conservation land · 7.4 mi · 241 acresMerrill Horse Accessstate recreation area · 8.7 mi · 80 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes11 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 11 Dec 197625 mi away, near Sullivan, MissouriMost recent: magnitude 3.9 on 7 Jun 201120 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateJefferson County, MO, compared with all US countiesHigher-risk hazardsStrong wind Very HighTornado Relatively HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality73% of days had good air in 2025268 of 365 days measured93 moderate, 4 unhealthy for sensitive groups daysMedian index 42, worst day 150main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Jefferson County monitors, MO
Drinking waterJefferson Co Cons Pwsd C 1serves 37,000 people from surface water purchasedNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation535 ft163 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalMercy Hospital Jefferson15.2 miPost officeMorse Mill Post Officeunder a mileTown hallHillsboro City Hall6.0 miPoliceJefferson County Sheriff's Office5.9 miFire stationHillsboro Fire Protection District Station 23.4 miSource: USGS National Structures Dataset
Getting aroundAirportSt. Louis Lambert International Airport STL36 miInterstateI-5513 miUS highwayUS 6713 miAmtrakKirkwood, MO KWD25 miCoachChesterfield, MO (Shopping center at 14352 S Outer Forty Rd, Chesterfield, MO 63017)OurBus26 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 63066 ZIP area.
