Which month to book if prefer those moderate cool weather for location below? Thanks.

Credit to Goolge Search (Michael)

*** The first week of May is a popular Japanese vacation season called Golden week and is best avoided.

Osaka
Spring (late March to mid April)
Autumn (late September to mid November)

Sapporo

Tokyo
Spring months: March, April, May
Summer months: June, July, August
Autumn months: September, October, November
Winter months: December, January, February

This post has been edited by straw: Nov 24 2015, 10:08 AM

Find .... just to park here and also take note on that.

To get less than rm700 mostly on Dec which is Winter time.

In meantime will also Google search.