Autumn Leaves in Nagano in Mid November: Will You Catch Them? (2026)
In an average year, Nagano's autumn leaves reach peak color around November 12. For a November 11–20 trip, the chance of overlapping peak color is ~68%, and the chance of seeing at least some autumn color is ~83%.
68%chance of peak color · 83% chance of catching at least some
usual color
this window
Oct 25darker = peak colorNov 28
What you'll likely see
Still green · ~0.5 daysColours turning · ~3 daysPeak colour · ~3 daysFalling / past peak · ~3.5 days
Across November 11–20 in an average year, expect roughly 3.5 days of falling / past peak, and 3 days of peak colour. Past peak — colours fading and leaves coming down. Gingko carpets can still be striking.