Hottest June 22nd since measuring temperatures started!

My country (Netherlands) is sweating under extreme temperatures.

Normally we tend to say our summer lasts 3 weeks, spread over 3 months.
This week however it was a legit heat wave with temperatures today over 35 Celsius, which is high 90's.

And that in a country where, because of the usual 3 weeks summer spread over 3 months, it isn't standard to have airconditioning at home.

Looks like some rain and thunder is on its way. Have walked 5 km this morning, which was crazy, but car broke down and had to get some personal stuff taken care off. Hopefully it cools down a bit....10 degrees or so cooler would be perfect. And then to last until end of October please! :)

Any tips to stay cool?