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Yamagata Zao Onsen resort snow
Lat Long: 38.16° N 140.41° E
Ski Japan - Yamagata

Yamagata Zao Onsen Snow History

Weather Forecast for Yamagata Zao Onsen at 1220m altitude

Issued: 8 am 21 Apr 2026 (local time)

Forecast update in  hr  min

Next snow in Yamagata Zao Onsen: 0.7cm on Tue 21st  (after 9 AM)

Is Yamagata Zao Onsen snowsure?

The snowiest week in Yamagata Zao Onsen is week 4 of January. There are typically 5.6 snowy days during this week with 37cm 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)
December28cm4.6 days
January34cm5.7 days
February26cm5.1 days
March18cm3.8 days
April5cm1.5 days

Average Snow and Weather Conditions in Yamagata Zao Onsen during April (week 3):

The average snowfall forecast during week 3 of April for Yamagata Zao Onsen is 5 cm. There are typically 1.2 snowy days during this week.Yamagata Zao Onsen prevailing weather and snow conditions during the third week of April at the middle elevation of the ski area at 1220m, based on historical averages over the last 17 years: At this time of year the average freezing level (2066m) is a long way above the mid altitude of Yamagata Zao Onsen. Expect just one day with snowfall per week in Yamagata Zao Onsen in the middle of April but on average, a higher chance of rain than snow with one or two wet days during this week every year. Forecast model average snowfall for the week is 5cm. Temperatures generally above freezing both day and night in Yamagata Zao Onsen during week three of April with average maximum temperature 5.0°C and minimum temperature 3.2°C at the mid altitude. Expect the sun to come out on two or three days per week. It can be windy. Light winds (average 29km/h) most of the time are unlikely to affect ski lifts but the historical norm is for the mean wind to reach 30km/h two or three days per week. Below-freezing, calm and sunny perfect weather days that follow new snow (bluebird powder days) are not expected this week but fresh snow days that don't have perfect conditions are more typical, on average one day every second year during this week every year. but calm, cold and sunny days that do not have new snow occur on average one year in 5.


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 – 2024).

Winter
Summer

Yamagata Zao Onsen


Lower Slopes
Upper Slopes
Fresh Snow

Average Snow Conditions in

Best ski days per week in Yamagata Zao Onsen and (2007 – 2024)

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 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 – 2024)

Winter
Summer

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

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 – 2024)

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 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.