National Ugly Sweater Day is observed each year on the third Friday of December and encourages people to wear intentionally over-the-top holiday sweaters. These sweaters often feature bold colors, busy patterns, and playful details like pom-poms, bells, or lights.
Holiday sweaters themselves are not a new concept. In the mid-20th century, handmade winter sweaters with seasonal designs were common gifts, particularly in colder climates. As styles evolved, some designs became increasingly elaborate, and by the 1980s they began to be worn with irony, shaped by television and pop-culture influence.
The observance was formally established in 2011 by the creators of the National Ugly Sweater Day website, giving the trend an official date and a shared framework. Over time, it has grown to include contests, themed gatherings, and charity events during the lead-up to Christmas.
Rather than focusing on fashion, the day emphasizes participation and humor. Putting on an ugly sweater creates an easy, fun way to connect with others during a busy time of year.
When Is National Ugly Sweater Day?
National Ugly Sweater Day is observed each year on the third Friday of December. Its timing places it right in the heart of the holiday season, making it a natural fit for office parties, school events, and festive gatherings where over-the-top sweaters take center stage.
| Year | Date |
|---|---|
| 2025 | December 19, Friday |
| 2026 | December 18, Friday |
| 2027 | December 17, Friday |
| 2028 | December 15, Friday |
| 2029 | December 21, Friday |
| 2030 | December 20, Friday |
Fun Ways to Celebrate National Ugly Sweater Day
Celebrating National Ugly Sweater Day is simple. Put on a bold, festive sweater and wear it to work, school, or even while running errands. The more exaggerated the design, the better it fits the spirit of the day.
For inspiration, this short video highlights the playful side of the tradition:
You can also turn it into a shared activity. Take a photo of your sweater and post it online using #NationalUglySweaterDay or #UglySweaterDay to see how others are celebrating. In 2017, this tradition even led to a world record in Kansas City for the largest gathering of people wearing ugly sweaters, showing how widely the day is embraced.
