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Ski Japan - Nagano

Sun Alpina Hakuba Sanosaka Snow Forecast

36.62° N 137.84° E

Weather Forecast for Sun Alpina Hakuba Sanosaka at 970m altitude

Issued:
8 am 04 Sep 2026 (local time)
Forecast update in:
 hr  min
Last 6 daysScroll left for last 6 daysNow

Next 3 days weather summary:

Heavy rain (total 34.0mm), heaviest during Sun night. Very mild (max 19°C on Fri morning, min 16°C on Fri night). Wind will be generally light.

Days 4-6 weather summary:

Heavy rain (total 39.0mm), heaviest during Mon afternoon. Warm (max 21°C on Tue morning, min 16°C on Wed night). Wind will be generally light.

Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
mod rain
rain showers
part cloud
light rain
cloud
cloud
light rain
heavy rain
mod rain
heavy rain
rain showers
light rain
light rain
mod rain
light rain
light rain
light rain
light rain
mod. rain
rain shwrs
some clouds
light rain
cloudy
cloudy
light rain
heavy rain
mod. rain
heavy rain
rain shwrs
light rain
light rain
mod. rain
light rain
light rain
light rain
km/h
0
SSW
5
N
5
S
5
E
5
ESE
5
SSE
10
SSE
10
SSE
10
SSE
5
S
0
WSW
5
NNW
5
ESE
5
ESE
5
S
5
NNE
5
NNE
5
NE
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snow map
Snowflake cm
 mm
3
6
5
2
1
17
9
11
2
1
2
7
3
2
2
max °C
19
19
17
19
19
17
17
17
18
19
20
19
21
21
20
19
18
17
min °C
19
17
16
18
18
16
17
16
16
18
19
18
21
20
20
18
18
16
 chill °C
19
17
16
18
18
16
17
16
16
18
19
18
21
20
20
18
18
16
Humid %
95
95
92
91
91
95
89
92
95
95
97
98
83
84
97
99
99
99
Freeze m
4350
4350
4200
4350
4550
4650
4800
4800
4950
5250
5250
4950
4950
5050
5100
5200
5100
4950
Sea lvl1000m2000m3000m4000m5000m
181715171715161516181818202018181715211917202017191818202019222220201917
Sunrise
5:20
5:22
5:22
5:22
5:24
5:24
Sunset
6:13
6:12
6:09
6:08
6:07
6:06

Days 7-16 weather summary:

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Avalanche information: Japan Avalanche Network

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Latest snow reports near Sun Alpina Hakuba Sanosaka:

No recent snow reports

No recent snow reports

Sun Alpina Hakuba Sanosaka Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall: 7 Apr 2026
Snow AlertsCreate Alert
Other resorts in Japan - Nagano are reporting: powder (0) / good piste (0)

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Snow History

Week 1 of September has on average:

0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.


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