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snowy ski resort
Ski Japan - Gunma

Omote Manza Snow History

36.59° N 138.52° E

Weather Forecast for Omote Manza at 1840 m altitude

Issued:
2 am 04 Oct 2026 (local time)
Forecast update in:
 hr.  min.

Is Omote Manza snowsure?

The snowiest week in Omote Manza is week 2 of January. There are typically 5.3 snowy days during this week with 43 cm of snowfall. Check out the Omote Manza Snow History graphs below. Select any week of the year to see the typical Ski Conditions, Snowfall Amount and Temperature based on nowcast weather data over the last 11 years.

Average monthly snow in Omote Manza

MonthSnow amount (week)Snow days (week)
December30 cm4.3 days
January39 cm5.1 days
February33 cm4.7 days
March29 cm3.8 days
April10 cm1.9 days

Average Snow and Weather Conditions in Omote Manza during October (week 1):

The average snowfall forecast during week 1 of October for Omote Manza is 0 cm. There are typically 0.1 snowy days during this week. Omote Manza prevailing weather and snow conditions during the first week of October at the middle elevation of the ski area at 1840m, based on historical averages over the last 18 years: At this time of year the expected freezing level (3912m) is far above the middle elevation of Omote Manza. Snow falls on just one day every 14 years in Omote Manza at the start of October but on average there are three days during this week each year when it rains. In the years when snow falls at this time of year, forecast model average snowfall for the week is 0cm. Usual temperatures are well above freezing both night and day at the middle elevation in Omote Manza during week one of October with the average afternoon temperature 10.3°C and the minimum temperature 8.8°C. On average, two days out of seven will have some sunshine. Generally light winds (average 12km/h).


Snow History: Compare Resorts


Compare Omote Manza with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Omote Manza and (2007 – 2026).

Winter
Summer

Omote Manza

 


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Omote Manza and (2007 – 2026)

Winter
Summer

Bluebird Powder Day
(Fresh snow, mostly sunny, light wind)
Powder Day
(Fresh snow, limited sun, any wind)
Bluebird Day
(Average snow, mostly sunny, light wind)
Very windy days
(>30km/h)

The most cherished days on the mountain in Omote Manza are Bluebird Powder days when it is mostly sunny with light winds following very recent snowfall. Poorer weather conditions may prevail on Powder days when the visibility can be limited but the snow is significantly deep and fresh for keen powder-hounds. Bluebird days can suit many skiers that aren’t necessarily hunting powder but want to enjoy the snowy mountains in sunnier conditions and light winds.


Average Snowfall in

Graph showing the average precipitation (snow/rain) in Omote Manza and (2007 – 2026)

Winter
Summer

Snowfall amount
(bar chart)
Days with significant snowfall.
(>5cm)
Days with significant rainfall.
(>5mm)

The snowiest weeks of the year in Omote Manza are shown but also bear in mind the number of days that it typically snows each week if you want regular fresh tracks. The risk of a rainy day is shown but be sure to switch between elevations to see if lower lifts are rain affected or higher lifts remain snowy despite any rain further down the mountain.


Average Temperature in

Graph showing the average temperature and freezing level at Omote Manza and (2007 – 2026)

Winter
Summer

Average temperature
Maximum
Minimum
Temperatures
Above freezing
Below freezing
Freezing level
Dashed line

The highest and lowest temperatures averaged for each week of the year in Omote Manza are shown. Check out the risk of freze-thaw conditions prevailing at different elevations for any given week. We also show the extremes of temperature (blue/red dots) that reveal the chance of unusually warm or cold conditions.