It's not the heat, it's the humidity proverb
Used to mean that it is the high humidity that makes a person uncomfortable rather than the degree of heat
A: I feel that summer in the south is much hotter than in the north. B: Well, it's not the heat, it's the humidity.
Rainy, wet weather
If the heavens open, it starts to rain heavily.
Intensely hot and irritated
A heavy rain
Wonderful weather, particularly on a day when an outdoor event is scheduled
This phrase is used to describe something very modern or updated or something that no longer looks like what it's used to.
It has been a long time since I left my high school, and now I have to admit that it's certainly not your father's high school anymore.