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Karuizawa Weather Forecast - 7 to 16 days - 12th April 2026

Karuizawa Weather

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Weather Forecast for Karuizawa ( 940m to 1,155m 3,084ft to 3,789ft )

Weather Outlook from 12 April.

Karuizawa Forecast

See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.

Karuizawa Weather Forecast updated at 23:40 BST, next update expected 02:00 BST.

Long-range Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 19℃ 66°F
Min 7℃ 44°F

Snow unlikely

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Karuizawa Daily Weather Forecast Detail

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

Clear sky.

Max 16℃ 62°F
Min 8℃ 46°F
Mon
13
Clear

Clear sky.

Max 19℃ 66°F
Min 9℃ 47°F
Tue
14
Clear

Clear sky.

Max 14℃ 58°F
Min 8℃ 46°F
Wed
15
Fair

Fair.

Max 14℃ 56°F
Min 8℃ 46°F
Thu
16
Clear

Clear sky.

Max 17℃ 63°F
Min 7℃ 45°F
Fri
17
Mixed

Clear spells.

Max 17℃ 62°F
Min 7℃ 45°F
Sat
18
Fair

Fair.

Max 17℃ 62°F
Min 7℃ 44°F

No significant snowfall is forecast for this period.

This Snow Forecast for Karuizawa, 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 Karuizawa, 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.

Karuizawa Weather Forecast updated at 23:40 BST, next update expected 02:00 BST.

Current Snow

For current snow depths and skiing conditions, see our Current Snow Report for Karuizawa.

Japan Hotels Map

 

For more information about this Japanese Ski Resort, See Also Skiing and Snowboarding in Karuizawa .

Off-Piste Safety in Karuizawa

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