Daylight through the yearLongest day (Jun 21): 14 h 43 min5:42 am – 8:25 pmShortest day (Dec 21): 9 h 37 min7:11 am – 4:48 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 82°F, lows 48°FColdest month January: highs 37°F, lows 6°F9 in of rain a year, on about 28 dayswettest month July30 in of snow a year, on about 15 days2 days above 90°F, 211 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, San Luis 1 S station, 9 mi away; snow from Manassa
Nearby landmarksEastdale Reservoir Number 2reservoir · 2.3 miEastdale Reservoir Number 1reservoir · 5.2 miSan Pedro Mesapeak · 5.5 miMesita Hillpeak · 5.9 miSource: USGS Geographic Names Information System
Parks and public landsSan Luis Hills State Wildlife Areastate conservation land · 10.7 mi · 17,037 acresCarson Othernational forest · 21.4 mi · 101,380 acresAlamosa National Wildlife Refugenational wildlife refuge · 24.0 mi · 12,077 acresGreat Sand Dunes National Parknational park · 40.5 mi · 104,902 acresCarson National Forestnational forest · 47.7 mi · 82 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes186 of magnitude 3 or more within 50 miles since 197017 of magnitude 4+, 2 of magnitude 5+Largest: magnitude 5.3 on 23 Aug 201146 mi away, near Valdez, ColoradoMost recent: magnitude 3.4 on 27 Jul 202641 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Very LowCostilla County, CO, compared with all US countiesHighest-rated hazardsDrought Relatively ModerateLandslide Relatively LowSource: FEMA National Risk Index (county level)
Air quality92% of days had good air in 2025334 of 365 days measured31 moderate daysMedian index 25, worst day 76main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, nearest monitors: Alamosa County, CO, 36 mi away
Drinking waterGarcia Domestic Wuaserves 100 people from ground water1 health-based violation since 2021latest Oct 2024: lead and copper, treatment technique3 monitoring or reporting violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation7,695 ft2,345 m above sea levelSource: USGS 3D Elevation Program
Local servicesPost officeCostilla Post Office7.8 miTown hallSan Luis Town Hall9.4 miPoliceCostilla County Sheriff's Office9.3 miFire stationWild Horse Mesa Volunteer Fire Department5.0 miSource: USGS National Structures Dataset
Getting aroundAirportSan Luis Valley Regional Airport/Bergman Field ALS30 miMajor airportCity of Colorado Springs Municipal Airport COS127 miUS highwayUS 16024 miAmtrakTrinidad, CO TRI57 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 81134 ZIP area.
