It does me :D
And most people I meet too!!!
OK you get people that are fucking miserable as shit no matter what but in general I think the weather DOES alter moods! :D

EEEKKK in a sort of reverse twang, maybe if you work indoors like somewhere really hot *like a bakery/dry-cleaners/smelting factory* the hot weather makes it worse and gives you the hump!!!

My view......
If you are cold, dont fucking whinge, put some more clothes on!!!!!
If you are hot, strip a bit, strip again,,,, when you can strip no more ;) WHINGE you are hot1 :P

But be careful with the phrase I am hot cos some men (not me ;) ) may take it the wrong way lol
Be lucky, Drift