Why December in New York works
New York at Christmas is the city at its most theatrical — window displays at Saks and Bergdorf Goodman that are serious design projects rather than commercial afterthoughts, the Rockefeller Center tree from late November through early January, the Bryant Park Winter Village market, the Dyker Heights light installations in Brooklyn, and a general intensification of the city's ambient energy that peaks around the third week of December and drops sharply after Christmas Day. If you've always wanted to see New York and the season is flexible, late November through mid-December is the most visually compelling time to visit.
The Rockefeller Center tree
The Norway Spruce at Rockefeller Center is lit from the first Wednesday after Thanksgiving until early January, and is one of the most visited single objects in New York during that period. The tree itself and the ice rink below it are free to see from street level; skating on the rink requires a ticket (approximately $25–35 per person plus skate rental) and advance booking on peak dates. The area immediately around Rockefeller Center is the most congested in the city from the lighting ceremony through New Year's — visiting on a weekday morning is substantially easier than a weekend afternoon.
Window displays
The major department stores along 5th Avenue compete seriously on their window displays each year. Saks Fifth Avenue's light show projected onto the facade of the building (synced to music, running every 10–20 minutes after dark) draws crowds to the block between 49th and 50th Streets. Bergdorf Goodman's windows, on the west side of 5th Avenue between 57th and 58th Streets, are consistently the most conceptually ambitious — they've been designed by outside artists and designers and can be legitimately strange and beautiful rather than straightforwardly commercial.
Bryant Park Winter Village
The Bryant Park Winter Village (midtown, 6th Avenue between 40th and 42nd Streets) runs from late October through early January and combines a free ice skating rink (skate rental costs roughly $20) with a market of small vendors selling food, gifts, and seasonal items. The rink and the holiday bar around it create a reliably pleasant, uncrowded-by-NYC-standards evening destination, particularly on weeknights. The market vendors vary in quality; the surrounding food options (the Bryant Park Grill, Le Carrousel) are standard rather than exceptional.
Dyker Heights lights
Dyker Heights, a residential neighbourhood in southwest Brooklyn, puts up Christmas light installations that have become a genuine NYC tradition — homeowners competing on elaborateness, to the point where some houses have animatronic figures, full-building light sequences, and professional installations that draw visitors from across the city. The main concentration is roughly around 84th to 86th Streets between 10th and 13th Avenues, best visited after dark from late November through New Year's. The D train (79th Street station) reaches the area; the walk from the station is 10–15 minutes.
New Year's Eve
Beyond Times Square (see our Times Square guide), New Year's Eve in New York has a number of options: the fireworks in Central Park (free to watch from within the park, very crowded), the waterfront fireworks visible from Brooklyn Bridge Park, private events at bars and restaurants citywide (expect fixed-price packages of $100–300+ per person), and simply being in the city when midnight hits — which has its own energy regardless of where specifically you are.
Practical notes for December visits
December is peak hotel pricing in New York, particularly the two weeks before Christmas. Book accommodation several months ahead if possible. Temperatures range from about 0°C to 8°C (32–46°F) through most of December, with the possibility of snow from late November but no guarantee of a white Christmas. The city is walkable in this weather with appropriate layers; the key items are a proper winter coat, waterproof footwear, and gloves rather than just a light jacket and trainers.