It’s 77 degrees Fahrenheit in London according to Accuweather.
London is forecast to reach 88 degrees on the 7th.
It hit 97 degrees on the 26th with a low of 72 degrees.
If you don’t have AC, a window fan can be used to suck in or blow out cooler nighttime air for multiple nighttime household air changes.
Convert to Islam and you can keep your air conditioner.
The actual temperatures involved is not really the point now is it.