Daylight through the yearLongest day (Jun 21): 14 h 6 min5:57 am – 8:03 pmShortest day (Dec 21): 10 h 12 min6:51 am – 5:02 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 90°F, lows 74°FColdest month January: highs 61°F, lows 42°F66 in of rain a year, on about 78 dayswettest month JulySnow is rare64 days above 90°F, 16 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Slidell station, 4 mi away
Parks and public landsPearl River Wildlife Management Areastate conservation land · 1.0 mi · 36,386 acresI-10 Rest Areastate recreation area · 4.4 miFort Pike State Historic Sitestate historic site · 4.7 mi · 95 acresFritchie Parkpark · 3.8 mi · 77 acresWimbleton Parkpark · 3.8 miBig Branch Marsh National Wildlife Refugenational wildlife refuge · 6.6 mi · 18,319 acresSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSt. Tammany Parish, LA, compared with all US countiesHigher-risk hazardsHurricane Very HighLightning Relatively HighRiver flooding Relatively HighCold wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality87% of days had good air in 2025315 of 363 days measured47 moderate, 1 unhealthy for sensitive groups daysMedian index 37, worst day 105main pollutant: ozoneSource: US EPA Air Quality Index, St. Tammany County monitors, LA
Drinking waterSlidell Water Supplyserves 35,547 people from ground water1 health-based violation since 2021latest Sep 2022: coliform bacteria, maximum contaminant levelSource: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation4 ft1 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSouthern Surgical Hospital3.9 miPost officeSlidell Post Office5.2 miTown hallSlidell City Hall5.2 miPoliceSaint Tammany Parish Sheriff's Office4.3 miFire stationSaint Tammany Fire Protection District 1 Station 192.5 miSource: USGS National Structures Dataset
Getting aroundAirportLouis Armstrong New Orleans International Airport MSY37 miInterstateI-103.5 miUS highwayUS 1901.0 miAmtrakSlidell, LA SDL5.3 miCoachSlidell Fremaux Quick StopGreyhound5.0 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 70469 ZIP area.
