Peak summer highs in Ballwin average 87°F — warm enough for a splash pad through most of the season without being punishing at midday.
The things that decide a trip with small children — a toilet, some shade, somewhere to sit — are exactly what listings usually leave out. Across the 1 pads in Ballwin:
300 Park Drive · Ballwin, Missouri
seasonal (summer) · Noon-6 p.m. (splash pad)
Freepublic-parkzero-depthplayground-nearby
Ballwin's central park runs its splash pad on a short midday window, so plan for an afternoon visit. The surrounding park adds a playground, ponds, and a lake with a walkout pavilion for post-splash exploring.
On site: toilets on site, playground alongside, parking
1 other pad within 5 miles
✓ Last confirmed for the 2026 season