I was on a jobsite in Saudi Arabia, and told my associates that in Illinois, we had two seasons: winter and road construction.
They replied that things were the same in Saudi: only there it was summer and road construction.
Take your pick.
Just remember that when it gets really hot, and you're down to your underwear, and you are still hot, that removing your underwear will not make you cooler.
In adult-rated climates, however, one can always add layers during cold spells.