Good hours
Indoor from 11:00–16:00 in summer. Parks and fountains after 17:00. Museums late morning when they open cool.

Things to do
Indoor hours when it is hot, parks when it is not, and days that do not depend on anyone walking too far.
Family days in the UAE are a calendar negotiation: heat, nap time, and how far small legs will walk. The winning formula is one indoor block, one outdoor hour at the right time, and dinner somewhere nobody has to queue in the sun.
Indoor from 11:00–16:00 in summer. Parks and fountains after 17:00. Museums late morning when they open cool.
Start here

Air-conditioned, unhurried, and the architecture keeps teenagers quiet for an hour.

Dubai Mall aquarium, fountain show, and shade between stops. No heroics required.

Water, mountains, and a drive that feels like a holiday if you leave at dawn.