[PAR35]

The buildings, many of which are quite old, are not designed for hot weather,

The old buildings were designed for hot weather - built before fans, much less air conditioning, and with windows that open.

Of course, the rich would decamp to their summer residences, but the poor always had to sweat.

[CondoleezzaProtege]

UK is more wet and cold as a rule though…not snowy, blizzard…but yeah.