Fjapan In January 2025. For central and southern japan, january is considered the off season, with lowest crowding and prices, except in the first week of january. In tokyo, december temperatures tend to be around 12ºc (54°f) in the afternoon and drop to about 5ºc (41°f) in.
The following calender covers public holidays, festivals, events and seasonal attractions for all regions of japan for 2025 and 2025. It’s regularly updated and always growing.