what is the weather like in japan in january
japan Â» guide Â» when to visit japan Â» japan by month Â» japan in january. posted by John Spacey, July 28, 2015. Despite being the coldest month of the year, January is a surprisingly good time to visit Japan. It's the second sunniest month in Tokyo and travel prices are reasonable with the notable exception of the New Year's holiday.January is full of interesting holidays, rituals, festivals and events that include: