I just don't go outside. AC running throughout the day, though I do set max temps at different levels throughout the day to take advantage of lower electricity rates or avoid higher rates.
This past week I did have to do some rare outdoors work for work over a few days. My team elected to do it in the evenings and early in the mornings. Was still quite warm, but not sun glaring down on us, we're gonna get heat stroke from this, afternoon sun.
Not the greatest solution, but... living in a place where it's mostly been raining for the last 7-8 weeks makes it easy to cool down.
I'd love to write something about A/C and going for a swim/dive instead, like last year. Maybe in July?
Honestly one of the quickest ways I've found to cool down is to run my wrists under cold water.
And for my dog, wet t-shirts and wet towels tucked under his groin and armpits. I wish he was a water dog (we've tried wading pools, sprinklers etc) but he's not so other than forcing him to drink enough water, I've found he'll tolerate the wet items on him.
I have a pair of cheap UV protection sunsleeves that I've cut to just cover my wrists-forearms that I wet with a spray bottle when it's crazy hot. Works incredibly well.
It's AC now, but in the desperate beforetimes it was getting into a shower at the temperature of my skin, then getting out and not drying off to allow for further evaporative cooling(Thank god its not humid where I live)
Lots of water breaks (not cold, but below ambient temps), cold compresses, sheltering under trees, cool showers, avoiding physical contact from the dog and cat
Once heat is in your house, it's hard to get out. So, prevent it from coming in by keeping you doors, windows, curtains, and best of all shutters closed
I switch my schedule so that all chores are done in the morning or night. If it’s really bad, I rinse off in the shower lowering the temp slowly until it feels too cold. Lots of water and crystal light. And I snack on cucumbers.
mine is actually something I learned about in therapy. wet a washcloth with cold water, then put ice cubes in it. there are various places you can put it to cool down (inner part of your elbow, neck, lower back, etc.) but the first one I was taught was actually the pulse point under your chin, because it also serves a purpose of calming you down. if you're angry or anxious, it might help, on top of cooling you off.
a second thing that I've done is, before bed, putting my comforter and/or my pillowcase in the freezer. only really works depending on size of the freezer and comforter, though.