Zao Onsen saw 264cm of snow across the 2025/26 season, down 36% on last winter, with 2 fewer powder days than last year. That puts it ninth snowiest of the last 15 winters.
0
powder daysmornings over 15cm, worth setting an alarm for.
13cm
biggest single daythe mountain reset overnight on 11 Jan 2026.
134cm
deepest basemeasured on 1 Feb 2026.
104cm
snowiest monthJanuary 2026 stole the show.
42cm
best weekseven days from 11 Jan 2026.
91%
of a typical winter's snowfall. A leaner year than usual.
Snow reliability
27/100
MarginalTypically about 87 ski days a season, declining by 3 days per decade.
Snowfall by season
The ninth snowiest of the last 15 winters.
Snowfall by month
January was the mid-winter peak, with 39% of the season's snow.
Modelled base-altitude snowfall from the Open-Meteo ERA5 archive. The grid sits near resort base, not the summit, so treat totals as a valley-level estimate. Source: open-meteo.com.