Is Yamagata Zao Onsen snowsure?

The snowiest week in Yamagata Zao Onsen is week 4 of January. There are typically 5.4 snowy days during this week with 36cm of snowfall. Check out the Yamagata Zao Onsen 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 Yamagata Zao Onsen

MonthSnow amount (week)Snow days (week)
December26cm4.5 days
January33cm5.7 days
February26cm5.2 days
March18cm3.9 days
April6cm1.7 days

Average Snow and Weather Conditions in Yamagata Zao Onsen during May (week 4):

The average snowfall forecast during week 4 of May for Yamagata Zao Onsen is 0 cm. There are typically 0.0 snowy days during this week. Yamagata Zao Onsen prevailing weather and snow conditions during the last week of May at the middle elevation of the ski area at 1220m, based on historical averages over the last 14 years: At this time of year the expected freezing level (3345m) is far above the middle elevation of Yamagata Zao Onsen. Snowy weather is very unlikely in Yamagata Zao Onsen at the end of May but in an average year there are two or three days during this week each year that are wet. Usual temperatures are well above freezing both day and night at the middle elevation in Yamagata Zao Onsen during week four of May with the average afternoon temperature 12.6°C and the minimum temperature 11.1°C. Expect the sun to come out on two or three days per week. Mostly light winds (average 19km/h) but there is a 50% chance that the mean wind speed will be greater than more than 30km/h one day.

Snow History: Compare Resorts

Compare Yamagata Zao Onsen with:

Snow Depths

Recorded snow depths for the upper and lower slopes in Yamagata Zao Onsen and (2007 – 2022).


Yamagata Zao Onsen

Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Yamagata Zao Onsen and (2007 – 2022)


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

The most cherished days on the mountain in Yamagata Zao Onsen 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 Yamagata Zao Onsen and (2007 – 2022)


Snowfall amount
(bar chart)
Days with significant snowfall.
Days with significant rainfall.

The snowiest weeks of the year in Yamagata Zao Onsen 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 Yamagata Zao Onsen and (2007 – 2022)


Average temperature
Above freezing
Below freezing
Freezing level
Dashed line

The highest and lowest temperatures averaged for each week of the year in Yamagata Zao Onsen 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.