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Ski Japan - Gunma

Marunuma Kogen Snow Forecast

Weather Forecast for Marunuma Kogen at 1390 m
Issued: 8 am  13 Dec 2025 (local time)

New snow in Marunuma Kogen

0.8cm0.3in
Sat 13th (NGT)
The snow forecast for Marunuma Kogen is: Mild at first with light rain (total 4.0mm) on Sun morning followed by colder weather and light fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 3°C on Sun morning, min -8°C on Mon night). Winds increasing (calm on Sat morning, near gales from the WNW by Sun night).

Marunuma Kogen Weather (Next 3 days): The snow forecast for Marunuma Kogen is: Mild at first with light rain (total 4.0mm) on Sun morning followed by colder weather and light fall of snow, heaviest on Sun night. Freeze-thaw conditions (max 3°C on Sun morning, min -8°C on Mon night). Winds increasing (calm on Sat morning, near gales from the WNW by Sun night).

Marunuma Kogen Weather (Days 4-6): A dusting of new snow. Freeze-thaw conditions (max 1°C on Tue morning, min -7°C on Wed night). Wind will be generally light.


Marunuma Kogen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-5
20
clear
Middle Lift: 
-4
10
clear
Bottom Lift: 
-2
5
clear
6 Day Forecast
Issued: 8 am 13 Dec 2025 / Updates in ::
Change Forecast Height
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Last 6 daysScroll left for last 6 daysNow
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
clear
part cloud
light snow
light rain
snow showers
heavy snow
light snow
snow showers
snow showers
clear
clear
snow showers
clear
light snow
snow showers
clear
clear
clear
clear
some clouds
light snow
light rain
snow shwrs
heavy snow
light snow
snow shwrs
snow shwrs
clear
clear
snow shwrs
clear
light snow
snow shwrs
clear
clear
clear
 km/h
5
NW
5
S
10
S
5
SSW
10
WNW
55
WNW
50
WNW
35
WNW
10
NW
5
W
10
WNW
5
W
5
W
0
WNW
10
NW
5
NNW
5
NNW
10
SW
Snow map
1
1
10
4
3
1
3
1
max °C
-2
-2
0
3
2
-3
-5
-5
-8
1
0
-3
0
-1
-4
-1
-2
-5
min °C
-5
-7
-6
2
-2
-6
-5
-7
-8
-1
-4
-5
-2
-4
-7
-4
-7
-7
-8
-12
-11
0
-8
-16
-15
-13
-12
-3
-8
-8
-2
-4
-11
-7
-7
-11
68
63
97
93
96
93
88
86
69
45
67
75
75
94
94
74
71
69
550
1050
1300
2350
1750
850
600
650
0
1200
1400
1050
1150
1150
600
800
1100
250
topbotSea lvl1000m2000m3000m4000m5000m
-7-6-31-4-8-10-8-7-4-5-5-5-6-7-6-6-4-4-5-330-5-5-6-80-2-4-1-3-6-3-5-6
Sunrise
6:46
6:46
6:47
6:48
6:48
6:48
Sunset
4:25
4:27
4:27
4:27
4:27
4:28

Snow Radar

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Latest snow reports near Marunuma Kogen:

  • 24 km away from Marunuma Kogen

    9 hours ago
    Is it snowing?

    Snow falling at Minakami Kogen. from Minakami Kogen

  • 11 km away from Marunuma Kogen

    17 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

    18 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:19cm
Last snowfall:12 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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