Onox doesn't have control over the seasons. He just merely puts the seasons out of whack. The seasons change randomly on their own, he has absolutely no control of what area is summer while the other is winter.
I think Nintendo Master is on the right track. Constant weather change would have a terrible effect on the environment and on the creatures that live in the environment.Think about it in terms of the real world. There are plenty of natural disasters that rely on the weather to take form, such...