Peak summer highs in El Cajon average 86°F — warm enough for a splash pad through most of the season without being punishing at midday.
Month
Average high
June
79°F
July
84°F
August
86°F
The typical El Cajon pad runs about 22 weeks a year. Municipal pads often close early for maintenance, so the last few weeks of the season are the least reliable.
What to expect
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 El Cajon:
The centerpiece of this 10-acre county park in the Rancho San Diego area is a pirate-themed splash park that costs $3 per day, with a $30 season pass or a $75 three-person family pack available. There is no lifeguard, children under 14 need adult supervision, and non-potty-trained kids must wear swim diapers; the park also offers a playground, sports field, basketball court and shaded picnic areas.
On site: drinking water, playground alongside, parking