Tokyo Events December 2025: Fireworks, Festivals, and Cosplay

2025 — the year that Japan saw an Expo, a woman Prime Minister, and more than a handful of bears — is coming to a close. But before that clock hits midnight on December 31, there’s still time to catch some of these festivities and events in Tokyo.

Remember, December is the month of winter illuminations and Christmas markets in Tokyo. If you are looking for a New Year countdown party or more traditional things to do, then check out our dedicated New Year’s Eve guide.

For the top events in Tokyo throughout the year, check out our complete guide — organized by month.