snowy resort image
Ski Japan - Gunma

Marunuma Kogen Snow Forecast

Weather Forecast for Marunuma Kogen at 1390 m
Issued: 2 pm  21 Dec 2025 (local time)

New snow in Marunuma Kogen

1.7cm0.7in
Sun 21st (NGT)
The snow forecast for Marunuma Kogen is: Light rain (total 7.0mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 8°C on Sun afternoon, min -7°C on Mon afternoon). Wind will be generally light.

Marunuma Kogen Weather (Next 3 days): The snow forecast for Marunuma Kogen is: Light rain (total 7.0mm) at first, then becoming colder with a dusting of snow on Sun night. Freeze-thaw conditions (max 8°C on Sun afternoon, min -7°C on Mon afternoon). Wind will be generally light.

Marunuma Kogen Weather (Days 4-6): Mild with light rain (total 9.0mm) on Wed afternoon Becoming colder with a light covering of snow, mostly falling on Fri morning. Freeze-thaw conditions (max 4°C on Wed afternoon, min -9°C on Fri afternoon). Wind will be generally light.


Marunuma Kogen Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
-1
20
light snow
Middle Lift: 
0
15
light snow
Bottom Lift: 
1
15
light snow
6 Day Forecast
Issued: 2 pm 21 Dec 2025 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Sun
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
light rain
snow showers
snow showers
clear
clear
clear
clear
snow showers
light rain
mod rain
cloud
cloud
light snow
snow showers
snow showers
snow showers
snow showers
light rain
snow shwrs
snow shwrs
clear
clear
clear
clear
snow shwrs
light rain
mod. rain
cloudy
cloudy
light snow
snow shwrs
snow shwrs
snow shwrs
snow shwrs
 km/h
5
W
15
NNW
15
NW
10
NNW
5
WNW
5
S
10
S
15
S
15
S
10
SSW
10
NNW
5
NW
5
SSW
5
WNW
20
NW
20
NW
10
WNW
Snow map
2
1
2
2
2
2
3
4
9
max °C
8
1
-3
-3
-6
0
-1
0
2
4
3
2
1
1
-4
-7
-9
min °C
4
-5
-5
-7
-7
-2
-5
-5
1
3
1
1
1
-4
-4
-9
-9
1
-11
-10
-10
-10
-4
-10
-10
-3
0
-1
1
0
-7
-10
-15
-14
79
93
73
69
49
40
64
75
98
98
93
96
98
99
84
69
71
2800
1350
650
850
300
1050
1200
1150
1950
2450
2400
1750
1700
1400
700
400
0
Sea lvl1000m2000m3000m4000m5000m
4-4-6-7-6-5-4-3131-1-2-5-10-12-136-2-4-5-7-1-3-324221-2-4-8-9
Sunrise
6:50
6:52
6:52
6:52
6:52
Sunset
4:29
4:30
4:30
4:30
4:30
4:31

Snow Radar

Latest snow reports near Marunuma Kogen:

No recent snow reports

No recent snow reports

Marunuma Kogen Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:17 Dec 2025
Snow AlertsCreate Alert
Other resorts in Japan - Gunma are reporting: powder (0) / good piste (0)


Snow History

Week 3 of December has on average:
1.7
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
1.5
Powder days
Fresh snow, limited sun, any wind.
0.8
Bluebird days
Average snow, mostly sunny, light wind.



Snow-Forecast Partner Offers