I wonder how many respondents are in the northern hemisphere (not to mention in a place with seasons). Specifically because, if many of them are, I'd expect Fall to be the choice right now. In Winter, I'd expect spring to get the highest number of votes.
This is really insightful, since we tend to anticipate the upcoming season. The only exception I think would be in Fall, when I don't think any more people would pick Winter. People don't tend to look forward to Winter unless they do year-round.