HRH cabana worth it at Christmas?

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I have heard great things about the cabanas, and if we were traveling in July, I would probably get one without hesitation. Instead, however, we will be there from December 22 - 25. Is a cabana worth it this time of year? I know there is a good chance it might be too cool to even swim. How many have rented cabanas in December; did you think it was worth it? We will be staying club level, which I think gives us 50% off the price of the cabanas. We have never traveled to Orlando at Christmas time and are trying to be as prepared as possible! so...what do you think? Thanks!