Autumn Leaves in Nagano in Late October: Will You Catch Them? (2026)
In an average year, Nagano's autumn leaves reach peak color around November 12. For an October 21–31 trip, the chance of overlapping peak color is ~7%, and the chance of seeing at least some autumn color is ~40%.
7%chance of peak color · 40% chance of catching at least some
usual color
this window
Oct 13darker = peak colorNov 27
What you'll likely see
Still green · ~8.5 daysColours turning · ~2 days
Across October 21–31 in an average year, expect roughly 8.5 days of still green, and 2 days of colours turning. Leaves still mostly green — colour hasn't reached this city yet in most years.
This window is a stretch in Nagano — on the same dates you'd likely have better odds of autumn leaves in Sapporo (Hokkaido) (61%) instead. Hotels there for these dates: Sapporo.