If this was about Changeling: The Lost, Spring, definitely.
Otherwise, tough choice. Do I bitch about it being rainy and watery and dangerously slippery, too goddamn hot and humid, miserably wet and spooky though with dashes of color, or cold enough to freeze off uncovered extremities? Choices, choices, choices... eh, summer. At least then I have an excuse for not wearing a damn thing.
Aliens attack the planet to take our women to their alien breeding program. What do you do?