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Ski Japan - Gunma

Marunuma Kogen Snow Forecast

Weather Forecast for Marunuma Kogen at 1390 m
Issued: 8 pm  12 Dec 2025 (local time)

New snow in Marunuma Kogen

0.2cm0.1in
Sat 13th (AM)
The snow forecast for Marunuma Kogen is: Light rain (total 6.0mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 3°C on Sun afternoon, min -11°C on Fri night). Winds increasing (calm on Sat morning, strong winds from the WNW by Mon morning).

Marunuma Kogen Weather (Next 3 days): The snow forecast for Marunuma Kogen is: Light rain (total 6.0mm) on Sun morning. Becoming colder with heavy fall of snow, heaviest during Sun night. Freeze-thaw conditions (max 3°C on Sun afternoon, min -11°C on Fri night). Winds increasing (calm on Sat morning, strong winds from the WNW by Mon morning).

Marunuma Kogen Weather (Days 4-6): A dusting of new snow. Temperatures will be below freezing (max 0°C on Tue morning, min -9°C on Mon night). Wind will be generally light.


Marunuma Kogen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-10
35
snow showers
Middle Lift: 
-10
20
snow showers
Bottom Lift: 
-11
10
snow showers
6 Day Forecast
Issued: 8 pm 12 Dec 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
snow showers
clear
part cloud
light snow
light snow
snow showers
heavy snow
mod snow
light snow
snow showers
clear
part cloud
snow showers
part cloud
light snow
snow showers
snow shwrs
clear
some clouds
light snow
light snow
snow shwrs
heavy snow
mod. snow
light snow
snow shwrs
clear
some clouds
snow shwrs
some clouds
light snow
snow shwrs
 km/h
10
NW
5
NNW
5
S
15
S
5
S
5
W
35
WNW
45
WNW
40
WNW
10
NW
5
WNW
10
WNW
5
WNW
5
WNW
0
W
5
NW
Snow map
1
4
1
13
6
3
1
1
5
1
max °C
-9
-2
-3
0
2
3
-3
-5
-5
-8
0
0
-3
-1
-2
-5
min °C
-11
-5
-7
-6
1
-2
-4
-5
-7
-9
-2
-3
-5
-2
-4
-8
-17
-7
-12
-11
-1
-8
-14
-15
-13
-13
-4
-8
-8
-4
-4
-13
83
56
61
98
97
93
79
87
87
69
52
70
84
80
94
91
0
500
1000
1250
1950
1950
800
600
600
0
1150
1350
1100
1100
1050
550
topbotSea lvl1000m2000m3000m4000m5000m
-10-7-6-31-3-8-10-8-7-5-4-5-5-7-8-10-4-5-321-4-5-6-9-1-2-4-2-3-7
Sunrise
6:46
6:46
6:47
6:48
6:48
Sunset
4:25
4:27
4:27
4:27
4:27

Snow Radar

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Latest snow reports near Marunuma Kogen:

  • 11 km away from Marunuma Kogen

    4 hours ago
    weather station observation

    Freezing rain reported from Nikko at 1298 metres elevation 6 kms ESE of Nikko Shobugahama but it is forecast cold enough for snow at the ski area from Nikko Shobugahama

  • 11 km away from Marunuma Kogen

    5 hours ago
    weather station observation

    Continuous light snow reported from Nikko at 1298 metres elevation 6 kms ESE of Nikko Shobugahama Ski Resort from Nikko Shobugahama

Marunuma Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:18cm
Last snowfall:11 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)


Snow History

Week 2 of December has on average:
1.3
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.8
Powder days
Fresh snow, limited sun, any wind.
0.6
Bluebird days
Average snow, mostly sunny, light wind.




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