Japan Ski Season Forecast 2026-27
The short answer: PassCast's simulations currently put Japan below a typical season for 2026-27, with an average skiability of 63/100 across 14 mountains. Kiroro (74), Lotte Arai (71), Niseko United (70) lead the region today. Forecast-driven ski pass planning starts with where the snow will be — run any of these mountains through the Pass Finder before you buy.
The regional readfrom the 2026-27 outlook · compiled 2026-07-06
A strong El Niño weakens the East Asian Winter Monsoon, and fewer Siberian cold surges across the Sea of Japan means fewer of the sea-effect powder days that make Japanuary. The strong-event analogs matter: 1997-98 and 2015-16 were two of Japan's leanest, latest-starting winters, with some low Honshu resorts near half of normal; 2023-24 began painfully late before February rescued Hokkaido. Expect a delayed start, rain events at low-elevation Honshu areas, and the best resilience in Hokkaido (Niseko, Rusutsu) and high-altitude Honshu. Aim for mid-January to mid-February — unless the Arctic Oscillation goes strongly negative, the one wildcard that can override El Niño entirely.
Every Japan mountain, ranked by 2026-27 forecast
Skiability blends absolute snow (35%), season-vs-typical (30%), powder days (20%), and bust risk (15%). Click through for each mountain's full simulation, month-by-month outlook, and pass math.
| # | Resort | Skiability | Median snow | vs typical | Powder days |
|---|---|---|---|---|---|
| 1 | Kiroro JP | 74 | 542" | 93% | ~25 |
| 2 | Lotte Arai JP | 71 | 471" | 91% | ~31 |
| 3 | Niseko United JP | 70 | 499" | 92% | ~22 |
| 4 | Rusutsu JP | 69 | 465" | 91% | ~21 |
| 5 | Hakuba Valley JP | 67 | 372" | 94% | ~19 |
| 6 | Naeba-Kagura (Mt. Naeba) JP | 67 | 375" | 97% | ~18 |
| 7 | Myoko Suginohara JP | 65 | 348" | 94% | ~18 |
| 8 | Madarao JP | 64 | 338" | 95% | ~17 |
| 9 | Shiga Kogen JP | 62 | 329" | 94% | ~15 |
| 10 | Nozawa Onsen JP | 60 | 330" | 89% | ~17 |
| 11 | Zao Onsen JP | 60 | 294" | 99% | ~11 |
| 12 | Furano JP | 58 | 298" | 92% | ~11 |
| 13 | Appi Kogen JP | 49 | 210" | 90% | ~7 |
| 14 | Tomamu JP | 43 | 159" | 91% | ~4 |
Pass coverage in Japan
Ikon Pass$1,449 · 7 of 14 Japan mountains
Lotte Arai · Niseko United · Myoko Suginohara · Shiga Kogen · Zao Onsen · Furano · +1 more
Ikon Base$1,019 · 7 of 14 Japan mountains
Lotte Arai · Niseko United · Myoko Suginohara · Shiga Kogen · Zao Onsen · Furano · +1 more
Japan 2026-27: straight answers
- Will Japan have a good 2026-27 ski season?
- PassCast's daily 10,000-run simulations put Japan's 14 tracked mountains at 93% of a typical season on average — below a typical season — with an average skiability rating of 63/100. A strong El Niño weakens the East Asian Winter Monsoon, and fewer Siberian cold surges across the Sea of Japan means fewer of the sea-effect powder days that make Japanuary. The strong-event analogs matter: 1997-98 and 2015-16 were two of Japan's leanest, latest-starting winters, with some low Honshu resorts near half of normal; 2023-24 began painfully late before February rescued Hokkaido.
- Which Japan ski resort will have the best snow in 2026-27?
- As of today's simulation, Kiroro leads Japan with a skiability rating of 74/100 ("Deep & reliable") and a median of 542" — 93% of its typical season. The full ranking on this page updates daily.
- Which ski pass covers Japan?
- Ikon Pass covers 7 of the 14 tracked Japan mountains (e.g. Lotte Arai, Niseko United); Ikon Base covers 7 of the 14 tracked Japan mountains (e.g. Lotte Arai, Niseko United); Epic Pass covers 2 of the 14 tracked Japan mountains (e.g. Rusutsu, Hakuba Valley). PassCast's Pass Finder runs your exact Japan plan through every pass's day caps and prices.
Forecasts are probabilistic and reseeded daily from ENSO analogs, NOAA CPC outlooks, and the ECMWF SEAS5 ensemble — see methodology. Regional narrative compiled 2026-07-06.