Autumn Leaves in Nagano in Mid October: Will You Catch Them? (2026)
In an average year, Nagano's autumn leaves reach peak color around November 12. For an October 11–20 trip, the chance of overlapping peak color is ~0%, and the chance of seeing at least some autumn color is ~2%.
0% chance of peak color · 2% chance of catching at least some
usual color
this window
Oct 3darker = peak colorNov 27
What you'll likely see
Still green · ~10 days
Across October 11–20 in an average year, expect roughly 10 days of still green. Leaves still mostly green — colour hasn't reached this city yet in most years.
Nearby dates & cities
Shift your dates in Nagano: Nagano · Late October · 2% peak
Better odds for October 11–20 elsewhere: Sapporo (Hokkaido) · Mid October · 10% peak · Aomori (Tohoku) · Mid October · 0% peak
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