re: Anyone ever been to Italy in winter months ?

Did Rome 3 days - Florence 4 days - Venice 3 days for our honeymoon Thanksgiving of 2019.

Rome- We visited all the historic sites (Vatican, colliseum, Trevi etc...) Do a neighborhood food tour in any of the neighborhoods, this was a great way to see alot and taste a lot(our 2nd favorite thing of the trip). The sights are good but Rome has bit too much New York City type feel to it for my wife and I's taste.

Florence - Loved every second in Florence and would visit more of the country side if we went back. We did a Pizza/Gelato making event on a hillside overlooking florence which was incredible (favorite thing of the trip). We also did a day wine tour to the Brunello region, which was awesome as well. Try a Florentinian Steak in a wine cellar restaurant.

Venice - Venice is cool to walk through all the alleys and see the cool canals. We would probably knock one day off of Venice next time.

Weather was great around this time and only had one chilly day. It may be a little colder around Christmas for you.

The crowds were not bad at all.