I can't imagine it being that hard to make it so any outside area can realistically simulate rainfall, snowfall, and hot weather (mirages, anyone?).

What I want to see is the seasons reflecting our Earth. Days don't need to. We can just say that Eorzea has 6360 days to a year (yay math). Really fast spin! Really wide orbit!

I mean, we can always go to the beach if we're tired of the cold, but when I go walk about Limsa in mid-January, I wouldn't mind seeing snow-lala's, and fight snow-rats outside.