When I was a boy, summers weren’t nearly as hot as they are nowadays.
They seemed hotter when l was a boy and l am probably older than you.
When I was a boy in the 1950s and 1960s the summers on the High Plains and the Ozarks were brutal! BRUTAL! No AC at all.
Winters were also colder as we had to cut and burn wood and close off the house to keep the living room warm.