2024-25 Season Recap

Niigata was the snowiest region: its 5 snowiest resorts had 1,592cm on average. Cupid Valley reported the most of any resort: 2,102cm over the season.

Snowiest regions

Each region by the average snowfall of its 5 snowiest resorts, so that a region with many small resorts is not held back by them.

1. Niigata 1,592cm
   Cupid Valley 2,102cm · Seki Onsen 1,768cm · Lotte Arai 1,409cm · Suhara 1,357cm · Charmant Hiuchi 1,322cm
2. Tohoku 1,485cm
   Geto Kogen 1,862cm · Hakkoda Kokusai 1,779cm · Yudonosan 1,596cm · Appi Kogen 1,173cm · Tengendai 1,015cm
3. Nagano 1,228cm
   Nozawa Onsen 1,386cm · Happo-one 1,323cm · Hakuba Cortina 1,259cm · Hakuba 47 1,110cm · Togari Onsen 1,060cm
4. Hokkaido 1,122cm
   Kiroro 1,562cm · Grand Hirafu 1,177cm · Sapporo Kokusai 1,094cm · Sapporo Teine 937cm · Rusutsu 840cm
5. Hokuriku 746cm
   Skijam 860cm · Awasuno 852cm · Tateyama Sanroku 750cm · Hakusan Seymour 645cm · Fukui Izumi 622cm
6. West Japan 703cm
   Yogo Kogen 930cm · Mizuho Highland 703cm · Wakasa 673cm · Kujyu 652cm · Osorakan 559cm
7. Kanto 612cm
   Mt.T Tanigawadake 1,042cm · Hodaigi 780cm · White Valley 520cm · Oze Iwakura 370cm · Okutone 347cm
8. Gifu & Tokai 535cm
   Winghills 828cm · Hida Nagareha 685cm · Honokidaira 450cm · Shitatori Kogen 360cm · Takasu 354cm

Most snowfall

1. 1 Cupid Valley Niigata 2,102cm
2. 2 Geto Kogen Iwate 1,862cm
3. 3 Hakkoda Kokusai Aomori 1,779cm
4. 4 Seki Onsen Niigata 1,768cm
5. 5 Yudonosan Yamagata 1,596cm
6. 6 Kiroro Hokkaido 1,562cm
7. 7 Lotte Arai Niigata 1,409cm
8. 8 Nozawa Onsen Nagano 1,386cm
9. 9 Suhara Niigata 1,357cm
10. 10 Happo-one Nagano 1,323cm

Deepest snow

1. 1 Tengendai Mar 22 790cm 2023-24: 420cm
2. 2 Charmant Hiuchi Feb 24 690cm 2023-24: 420cm
3. 3 Lotte Arai Feb 24 679cm 2023-24: 425cm
4. 4 Mt.T Tanigawadake Feb 20 657cm 2023-24: 290cm
5. 5 Happo-one Feb 20 650cm 2023-24: 350cm
6. 6 Cupid Valley Feb 24 640cm 2023-24: 270cm
7. 7 Seki Onsen Feb 24 610cm 2023-24: 280cm
8. 8 Aomori Spring Feb 25 610cm 2023-24: 230cm
9. 9 Hakusan Seymour Feb 25 580cm 2023-24: 210cm
10. 10 Kagura Feb 20 550cm 2023-24: 220cm

Biggest days

1. 1 Cupid Valley Feb 5 150cm
2. 2 Mt.T Tanigawadake Feb 18 120cm
3. 3 Eboshi Feb 26 120cm
4. 4 Unazuki Feb 8 115cm
5. 5 Happo-one Jan 15 105cm
6. 6 Nekoma North Jan 12 102cm
7. 7 Tateyama Sanroku Feb 6 100cm
8. 8 Geto Kogen Nov 30 100cm
9. 9 Seki Onsen Dec 29 100cm
10. 10 Yudonosan Feb 6 100cm
11. 11 Kujyu Feb 1 100cm
12. 12 Awasuno Feb 8 100cm
13. 13 Muica Feb 5 100cm
14. 14 Hakkoda Kokusai Jan 3 100cm
15. 15 Lotte Arai Feb 5 94cm
16. 16 Tengendai Feb 9 90cm
17. 17 Yokoteyama Shibutoge Dec 26 90cm
18. 18 Ontake Jan 30 90cm
19. 19 Hakusan Seymour Feb 5 90cm
20. 20 Kiroro Feb 6 90cm

Most resorts only recorded their snow depth in 2023-24, not their new snow, so this season is compared with it by snow depth. Peak depth per resort was +80% on 2023-24, comparing the 277 resorts recorded in both seasons, and they had 100cm or more on the ground for 92 days on average, against 50.

The 10 deepest resorts against 2023-24

The resorts with the deepest snow of those that reported through the whole of both seasons.

1. 1 Happo-one Nagano 650cm +86%
   100cm or more for 168 days (2023-24: 162 days)
2. 2 Aomori Spring Aomori 610cm +165%
   100cm or more for 157 days (2023-24: 81 days)
3. 3 Kagura Niigata 550cm +150%
   100cm or more for 177 days (2023-24: 118 days)
4. 4 Togari Onsen Nagano 530cm +136%
   100cm or more for 108 days (2023-24: 80 days)
5. 5 Hakuba Norikura Nagano 510cm +73%
   100cm or more for 144 days (2023-24: 106 days)
6. 6 Gala Yuzawa Niigata 480cm +92%
   100cm or more for 131 days (2023-24: 97 days)
7. 7 IOX AROSA Toyama 480cm +153%
   100cm or more for 118 days (2023-24: 72 days)
8. 8 Joetsu Kokusai Niigata 460cm +130%
   100cm or more for 120 days (2023-24: 83 days)
9. 9 Nozawa Onsen Nagano 460cm +48%
   100cm or more for 142 days (2023-24: 115 days)
10. 10 Okutadami Niigata 460cm +24%
    100cm or more for 94 days (2023-24: 55 days)

Peak depth per resort by region, against 2023-24

1. Niigata 35 resorts 445cm +120%
2. Hokuriku 12 resorts 397cm +137%
3. Tohoku 56 resorts 273cm +106%
4. Gifu & Tokai 15 resorts 249cm +96%
5. Kanto 25 resorts 237cm +78%
6. West Japan 29 resorts 226cm +126%
7. Nagano 68 resorts 223cm +49%
8. Hokkaido 37 resorts 180cm +10%

Mean snow depth by month

269 of 332 resorts saw deeper snow than their average peak of the past seasons.

The average resort reported new snow on 24 days, 17 of them with 10cm or more. The most widespread snowfall was on Feb 8, when 63% of the resorts reported new snow.

Share of resorts reporting new snow, by day

Regions with the most snow days

Each region by the average of its 5 resorts with the most days of new snow.

1. Hokkaido 80 days
   Sapporo Kokusai 93 days · Sapporo Teine 81 days · Hanazono 78 days · Kiroro 78 days · Tomamu 69 days
2. Tohoku 79 days
   Appi Kogen 89 days · Zao Onsen 79 days · Geto Kogen 78 days · Hakkoda Kokusai 76 days · Yudonosan 71 days
3. Nagano 64 days
   Nozawa Onsen 77 days · Hakuba Cortina 66 days · Happo-one 61 days · Hakuba 47 60 days · Madarao 56 days
4. Niigata 60 days
   Lotte Arai 73 days · Cupid Valley 65 days · Charmant Hiuchi 57 days · Seki Onsen 55 days · Yuzawa Park 51 days
5. West Japan 45 days
   Kujyu 52 days · Hyper Bowl 44 days · Osorakan 44 days · Yogo Kogen 42 days · Ibukinosato 41 days
6. Hokuriku 35 days
   Skijam 51 days · Fukui Izumi 37 days · Tateyama Sanroku 30 days · Awasuno 28 days · Hakusan Seymour 27 days
7. Kanto 32 days
   Hodaigi 44 days · Mt.T Tanigawadake 34 days · Kazawa 34 days · Tambara 27 days · Okutone 22 days
8. Gifu & Tokai 30 days
   Winghills 47 days · Hida Nagareha 30 days · Honokidaira 29 days · Takasu 23 days · Yeti 21 days

Most days with new snow

1. 1 Sapporo Kokusai Hokkaido 93 days
2. 2 Appi Kogen Iwate 89 days
3. 3 Sapporo Teine Hokkaido 81 days
4. 4 Zao Onsen Yamagata 79 days
5. 5 Hanazono Hokkaido 78 days
6. 6 Kiroro Hokkaido 78 days
7. 7 Geto Kogen Iwate 78 days
8. 8 Nozawa Onsen Nagano 77 days
9. 9 Hakkoda Kokusai Aomori 76 days
10. 10 Lotte Arai Niigata 73 days

398 resorts published their season dates. Half of them had opened by Dec 21. Of the 113 resorts that opened in both seasons, 18 opened later than the season before and 24 earlier.

Share of resorts open

Opening compared with 2023-24

• Japan Half open by Dec 21 −2 days
  24 earlier 71 same 18 later
• Hokkaido Half open by Dec 21 −1 days
  5 earlier 18 same 3 later
• Tohoku Half open by Dec 21 −2 days
  5 earlier 22 same 6 later
• Kanto Half open by Dec 14 −3 days
  0 earlier 4 same 0 later
• Niigata Half open by Dec 21 −3 days
  5 earlier 7 same 2 later
• Nagano Half open by Dec 14 −2 days
  8 earlier 10 same 5 later
• Hokuriku Half open by Dec 21 −2 days
  0 earlier 2 same 2 later
• Gifu & Tokai Half open by Dec 14 −2 days
  1 earlier 2 same 0 later
• West Japan Half open by Dec 21 −2 days
  0 earlier 6 same 0 later

Longest seasons

Opened the latest compared with 2023-24

1. Kanayasan Niigata 28 days later Dec 18 → Jan 15
2. Sapporo Teine Hokkaido 13 days later Nov 18 → Dec 1
3. Joetsu Kokusai Niigata 11 days later Dec 2 → Dec 13
4. Yokoteyama Shibutoge Nagano 11 days later Nov 15 → Nov 26
5. Appi Kogen Iwate 7 days later Dec 2 → Dec 9
6. Nozawa Onsen Nagano 6 days later Nov 24 → Nov 30
7. IOX AROSA Toyama 6 days later Dec 22 → Dec 28
8. Grandeco Fukushima 5 days later Nov 23 → Nov 28

Over the season, the forecasts made the day before added up to 3.0× the snow resorts reported for tenki.jp and 1.7× for snow-forecast.com. Of the days with 5cm or more, tenki.jp had forecast 72% and snow-forecast.com 78%.

tenki.jp forecasts were only collected from Feb 7, so its numbers are for the rest of the season.

snow-forecast.com forecasts were only collected from Dec 17, so its numbers are for the rest of the season.

Days with 5cm+ of snow that were forecast, by how far ahead

Snow forecast over snow reported, by how far ahead

The other side of it: the day before, 61% of the days tenki.jp forecast 5cm or more and 55% for snow-forecast.com had less than 1cm.

Season snowfall per resort: forecast the day before against reported

• Japan 124cm · tenki.jp 375cm · snow-forecast 652cm
• Hokkaido 138cm · tenki.jp 203cm · snow-forecast 524cm
• Tohoku 116cm · tenki.jp 356cm · snow-forecast 649cm
• Kanto 111cm · tenki.jp 339cm · snow-forecast 626cm
• Niigata 233cm · tenki.jp 688cm · snow-forecast 1,041cm
• Nagano 89cm · tenki.jp 287cm · snow-forecast 645cm
• Hokuriku 113cm · tenki.jp 477cm · snow-forecast 855cm
• Gifu & Tokai 52cm · tenki.jp 298cm · snow-forecast 734cm
• West Japan 126cm · tenki.jp 425cm · snow-forecast 310cm

The biggest days, and their forecasts

Forecasts made 1, 2 and 3 days before, in cm.