Is Heavens Sonohara Snow World snowsure?
The snowiest week in Heavens Sonohara Snow World is week 2 of January. There are typically 2.4 snowy days during this week with 20 cm of snowfall. Check out the Heavens Sonohara Snow World 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 Heavens Sonohara Snow World
| Month | Snow amount (week) | Snow days (week) |
|---|---|---|
| December | 11 cm | 2.3 days |
| January | 14 cm | 2.3 days |
| February | 12 cm | 2.1 days |
| March | 9 cm | 1.5 days |
| April | 2 cm | 0.5 days |
Average Snow and Weather Conditions in Heavens Sonohara Snow World during April (week 3):
The average snowfall forecast during week 3 of April for Heavens Sonohara Snow World is 1 cm. There are typically 0.4 snowy days during this week.Heavens Sonohara Snow World normal weather and snow conditions during the third week of April at the middle elevation of the ski area at 1488m, based on historical averages over the last 12 years: At this time of year the typical freezing level (2747m) is far above the middle elevation of Heavens Sonohara Snow World. A day with snowfall occurs on average every second year during the third week of April but in an average year there are two or three days during this particular week each year that are wet. In the years when snow falls at this time of year, forecast model average snowfall for the week is 2cm. Temperatures generally above freezing both night and day in Heavens Sonohara Snow World during week three of April with average maximum temperature 7.3°C and minimum temperature 5.8°C at the middle elevation. Expect the sun to shine on three out of seven days. Mainly light winds (average 16km/h) are unlikely to affect ski lifts but there is a 50% chance that the mean wind speed will exceed more than 30km/h one day. Calm, sunny and below freezing ideal weather days that follow fresh snow (bluebird powder days) are not expected this week but fresh snow days that don't have cold, sunny and calm conditions are more common, on average one year in 14..
Snow History: Compare Resorts
Heavens Sonohara Snow World Snow Depths
Recorded snow depths for the upper and lower slopes in Heavens Sonohara Snow World and (2007 – 2024).
Heavens Sonohara Snow World

The most cherished days on the mountain in Heavens Sonohara Snow World 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 Heavens Sonohara Snow World 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 Heavens Sonohara Snow World 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.




