Tokyo Weather Forecast October 2024 Snowfall. Rainfall patterns span from 22mm (0.87) in february to 51mm (2.01) in october, while snowfall decreases from 21mm (0.83) in february to zero from april to december. At the beginning of the month, the weather in japan varies by region.

Rainfall october is the month with the most rainfall in tokyo, japan. Increased snowfall is expected in the northern u.s.