When do splash pads open? It depends on your region. Here's a no-nonsense map of season windows across the US.
Sun Belt (extended)
April 1 → October 31Some pads run year-round in southern Florida and Phoenix.
FloridaTexasArizonaLouisianaAlabamaGeorgiaMississippiSouth Carolina
Mid-Atlantic & Upper South
May 1 → October 1Memorial Day → end of September is peak.
North CarolinaTennesseeVirginiaKentuckyArkansasOklahoma
Midwest & Northeast (standard)
Memorial Day weekend (late May) → Labor Day (early September)The classic 100-day splash pad season.
OhioIllinoisIndianaMichiganPennsylvaniaNew YorkMassachusettsNew JerseyMarylandIowaWisconsinMinnesota
West Coast
Mid-May → Late SeptemberCalifornia extends into October in southern counties.
CaliforniaNevadaOregonWashington
Mountain & Northern Plains
Late May / Early June → Labor DayHigh-altitude pads close on cool evenings — bring a towel.
ColoradoUtahIdahoMontanaWyomingNorth DakotaSouth DakotaNebraskaKansas
New England (short season)
Mid-June → Labor DayShort, sweet, cold-snap-prone.
MaineVermontNew HampshireConnecticutRhode Island
Pacific & non-contiguous
Hawaii: year-round · Alaska: late June → Hawaii: year-round · Alaska: mid-AugustAlaska's window is tight — plan for July.
HawaiiAlaska