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Karuizawa 7-Day Snow Forecast - 23rd July 2026

Karuizawa Snow Forecast - 7 day

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JMA

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Updated 23 July 2026 04:40 BST

7-Day Snow Forecast for Karuizawa

1-week from 23 July.

For Forecast detail, see below.

Karuizawa 7-Day Snow Forecast Highlights

When will there be fresh snow in Karuizawa?

Karuizawa Snow Forecast Highlights - JMA
Snowfall prediction at mid-mountain (1,048m)
Next Snow?
There is no snow currently in the forecast for Karuizawa.

7-Day Snow Outlook for Karuizawa

 
Snowfall

 
Snow Line

Max 32℃ 90°F
Min 18℃ 63°F

Snow unlikely

Karuizawa Medium-Range (7-Day) Snow Forecast Detail

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.

Max 33℃ 91°F
Min 22℃ 72°F

Valley temperatures from an overnight low of 22℃ 72°F to daytime highs around 33℃ 91°F

Temperature at BaseTemp at Base

Thu
23

Snow unlikely

ClearFairLt DrizzleCloud

Clear sky first, fair then light drizzle, cloudy later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 26℃ 79°F
Min 21℃ 70°F

Valley temperatures from an overnight low of 21℃ 70°F to daytime highs around 26℃ 79°F

Temperature at BaseTemp at Base

Fri
24

Snow unlikely

Lt DrizzleLt DrizzleCloudClear

Light drizzle, cloudy, clear sky later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 24℃ 74°F
Min 20℃ 67°F

Valley temperatures from an overnight low of 20℃ 67°F to daytime highs around 24℃ 74°F

Temperature at BaseTemp at Base

Sat
25

Snow unlikely

DrizzleLt DrizzleShwrsMixed

Drizzle first, light drizzle then rain showers, clear spells later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 25℃ 78°F
Min 19℃ 67°F

Valley temperatures from an overnight low of 19℃ 67°F to daytime highs around 25℃ 78°F

Temperature at BaseTemp at Base

Sun
26

Snow unlikely

DrizzleMixedMixedCloud

Drizzle, clear spells, cloudy later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 26℃ 79°F
Min 19℃ 67°F

Valley temperatures from an overnight low of 19℃ 67°F to daytime highs around 26℃ 79°F

Temperature at BaseTemp at Base

Mon
27

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleLt Drizzle

Light drizzle.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 26℃ 78°F
Min 20℃ 67°F

Valley temperatures from an overnight low of 20℃ 67°F to daytime highs around 26℃ 78°F

Temperature at BaseTemp at Base

Tue
28

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleMixed

Light drizzle early, then clear spells later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

Max 28℃ 83°F
Min 19℃ 66°F

Valley temperatures from an overnight low of 19℃ 66°F to daytime highs around 28℃ 83°F

Temperature at BaseTemp at Base

Wed
29

Snow unlikely

Lt DrizzleLt DrizzleLt DrizzleFair

Light drizzle early, then fair later.

Forecast times for Karuizawa are in Tokyo (Asia/Tokyo) time zone.

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 Snow Forecast updated at 04:40 BST, next update expected 07:00 BST.

Snow Reliability

Karuizawa typically enjoys reliable snow conditions with an average snow depth of 100 cm during peak season. For the latest snow information, including current conditions and snowfall, check J2Ski for updates.