Oldfag, lifelong Tx, advice for dealing with the heat for those new to Tx. Long ago, any activity done outside was done early morning to noon. After the "dinner hour" at 12, most outside "work" or any major activity ceased until the late afternoon/evening hours when the heat started to dissipate.
Only those thought to be fools would do any major activity at 2 o'clock in the afternoon.
It will zap you quick. Be careful.