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Biwako Valley Long-Range Snow Forecast - 12th April 2026

Biwako Valley Long-Range Snow Forecast Updated today

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JMA

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Updated 12 April 2026 16:11 IST

Long-Range Snow Forecast for Biwako Valley

Long-range (14 to 45 days) from 12 April.

For Forecast detail, see below.

Biwako Valley Snow Forecast Highlights

When will there be fresh snow in Biwako Valley?

Biwako Valley Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,057m)
Next Snow?
There is no snow currently in the forecast for Biwako Valley.

Long-range Snow Outlook for Biwako Valley

 
Snowfall

 
Snow Line

Max 16℃
Min 4℃

Snow unlikely

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Biwako Valley Long-Range (2 weeks+) Snow Forecast Outlook

Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.

16 Day Weather and Snow Forecast for Biwako Valley from OpenMeteo(JMA)
BaseSnow and WeatherTemp
Town
Sun
12
Clear

Clear sky.

Max 8℃
Min 4℃
Mon
13
Clear

Clear sky.

Max 15℃
Min 5℃
Tue
14
Clear

Clear sky.

Max 13℃
Min 6℃
Wed
15
Mixed

Light snow showers at altitude, light rain showers below.

Max 14℃
Min 7℃
Thu
16
Shwrs

Rain showers.

Max 12℃
Min 6℃
Fri
17
Fair

Fair.

Max 16℃
Min 5℃
Sat
18
Lt Drizzle

Light drizzle.

Max 13℃
Min 7℃

No significant snowfall is forecast for this period.

This Snow Forecast for Biwako Valley, Japan gives the predicted Snowfall and Freezing Levels for the next week.

The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Biwako Valley, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.

Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.

Biwako Valley Snow Forecast updated at 16:11 IST, next update expected 21:30 IST.

Ensemble forecast for Biwako Valley, Japan at 940m

Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)

Japan Hotels Map

 

Snow Reliability

Biwako Valley typically sees a snow depth of around 1 to 2 meters throughout the season, with reliable snowfall from December to March. For the latest snow conditions, check updates on J2Ski.

Off-Piste Safety in Biwako Valley

Before skiing or snowboarding off-piste in Biwako Valley, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.