Temperatures below freezing are common. Below 10��F is exceptional. Below 0��F is very rare. Snow or cold rain is possible. Something with a water resistant outer shell and synthetic insulation would cover most likely winter conditions in New York.
I lived in NYC for three years and New England my whole life, and I d be happy to answer this for you. If you plan on doing the NYC new year s eve thing, I would recommend wearing long johns, (or thick tights if your a girl) under jeans/pants. Layers is key. I d recommend a long sleeve shirt with a sweater over it and a winter coat over that. Wear gloves, a scarf, and keep those ears covered. And for your feet, Id invest in a pair of wool socks, or winter boots. Now, this is overkill for during the day, but end of dec, I m assuming your going to New Years, and the temp drops dramatically at night. Have Fun.
May I recommend waring plenty of warm clothes. For example a coat, a pair of gloves, sweaters, and a hat.Good luck
i agree with the person before me ... plus a coat... I live in NJ only 15 minutes awayfrom ny and its freezing at night. So def bundle up