Early to mid February is pretty cold. Day time high's seldom hit higher than about 72, but are usually closer to the upper 60's, and at night it's usually down in the low 50's or mid-upper 40's.
I hear ya on the bats--just figured I'd throw it out for ya LOL!
Also the Citrus Tower in Clermont--there is a small fee to go up--if your friends have an Entertainment book there's usually a buy 1 get 1 coupon, so two adults would cost under $5. It's a really nice view, something you only want to do on a clear day.
Anne