Is Iwakisan Hyakuzawa snowsure?
The snowiest week in Iwakisan Hyakuzawa is week 4 of December. There are typically 5.8 snowy days during this week with 47 cm of snowfall. Check out the Iwakisan Hyakuzawa 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 Iwakisan Hyakuzawa
| Month | Snow amount (week) | Snow days (week) |
|---|---|---|
| December | 37 cm | 5.1 days |
| January | 42 cm | 6.2 days |
| February | 36 cm | 5.5 days |
| March | 16 cm | 3.7 days |
| April | 3 cm | 1.1 days |
Average Snow and Weather Conditions in Iwakisan Hyakuzawa during August (week 2):
The average snowfall forecast during week 2 of August for Iwakisan Hyakuzawa is 0 cm. There are typically 0.0 snowy days during this week. Iwakisan Hyakuzawa typical weather and snow conditions during the second week of August at the middle elevation of the ski area at 565m, based on historical averages over the last 18 years: At this time of year the normal freezing level (4792m) is far above the mid altitude of Iwakisan Hyakuzawa. Snowfall is unlikely in Iwakisan Hyakuzawa in the middle of August but on average there are three days during this week each year when it rains Warm daytime temperatures in Iwakisan Hyakuzawa during week two of August. The average temperature extremes are between 20.9°C and 22.0°C at the mid altitude. Expect the sun to come out on two or three days per week. Mainly light winds (average 13km/h) but there is a 50% chance that the mean wind speed will exceed more than 30km/h one day.
Snow History: Compare Resorts
Iwakisan Hyakuzawa Snow Depths
Recorded snow depths for the upper and lower slopes in Iwakisan Hyakuzawa and (2007 – 2026).
The most cherished days on the mountain in Iwakisan Hyakuzawa 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.
The snowiest weeks of the year in Iwakisan Hyakuzawa 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.
The highest and lowest temperatures averaged for each week of the year in Iwakisan Hyakuzawa 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.





