You're confusing dry bulb temperature with wet bulb temperature. It's certainly hot (I'm in Bristol), but humidity isn't 100% which means that the wet bulb temp

You're confusing dry bulb temperature with wet bulb temperature. It's certainly hot (I'm in Bristol), but humidity isn't 100% which means that the wet bulb temperature is lower (i.e. you can cool down by sweating and sitting in front of a fan).