Winters in the rest of the US are horrible when compared to Florida!
It MIGHT be cold part of the time, but it is smooth in that colder air, usually little snow to worry about, and for the most part, it is clear sky 75% of the time. Historically, February is the month the the least amount of flyable days. However, last year at our school, we got ALOT of flying in. It was almost as busy as our May and June!
Michael